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Sexual dimorphism is the condition where different sexes of the same species exhibit different morphological characteristics, including characteristics...

Look up dimorphism in Wiktionary, the free dictionary. Dimorphism or dimorphic may refer to: Dimorphic root systems, plant roots with two distinctive...

media related to Polymorphism. Allotropy Isomorphism (crystallography) Dimorphism (Wiktionary) Polyamorphism Disappearing polymorphs Chemical crystallography...

between males and females, also known as sexual dimorphism. In shorebirds, various sexual dimorphism is seen, including, but not limited to, size (e.g...

and nickel (PdS and NiS). Its general formula is (Pt,Pd,Ni)S. It is a dimorph of braggite. It is mined as an ore of platinum and platinum group metals...

be used in signaling with other owls in low-light conditions. Sexual dimorphism is a physical difference between males and females of a species. Female...

Crabs are decapod crustaceans, either the Brachyura (the "true crabs") or various groups within the closely related Anomura (hermit crabs and allies),...

(raptors) are known to display patterns of sexual dimorphism. It is commonly believed that the dimorphisms found in raptors occur due to sexual selection...

and in automobiles. Some tarantula species exhibit pronounced sexual dimorphism. Males tend to be smaller (especially their abdomens, which can appear...

Nuclear dimorphism is a term referred to the special characteristic of having two different kinds of nuclei in a cell. There are many differences between...

influenced indirectly (e.g., hormonally) by the Y-chromosome. Sexual dimorphism is a term for the genotypic and phenotypic differences between males and...

they are sometimes hidden or completely absent. Animals showing this dimorphism include antelopes, musk-deer, camels, horses, wild boar, some apes, seals...

Cu5(AsO4)2(OH)4. It forms a series with the phosphate pseudomalachite and is a dimorph of the triclinic cornubite. It is a green monoclinic mineral which forms...

Frond dimorphism refers to a difference in ferns between the fertile and sterile fronds. Since ferns, unlike flowering plants, bear spores on the leaf...

Sexual dimorphism in human physiology refers to the distinct physiological characteristics associated with either male or female humans. These differences...

Sexual dimorphism is the condition where sexes of the same species exhibit different morphological characteristics, particularly characteristics not directly...

Tortoises (/ˈtɔːrtəs.ɪz/ TOR-təs-iz) are reptiles of the family Testudinidae of the order Testudines (Latin for "tortoise"). Like other testudines, tortoises...

twinning called a fiveling with an apparent five-fold symmetry. It is a dimorph of cavansite. Pentagonite was first described in 1973 for an occurrence...

large size dimorphism, with females being larger than males. Conversely, the Lesbiini clade (coquettes) displays very little size dimorphism; males and...

mineral, a sulfide of silver and antimony with the formula AgSbS2. It is a dimorph of cuboargyrite. Originally discovered in the Freiberg district of Germany...

orpiment may give it a pink or yellow hue. It can be associated with its dimorph claudetite (a monoclinic form of As2O3) as well as realgar (As4S4), orpiment...

description of the genus, Ctenorhachis may represent a short-spined sexual dimorph, although the authors find this unlikely. List of pelycosaurs Benson, R...

amounts of calcium during pregnancy and lactation may be related to the dimorphism. Breastfeeding newborns, whose skeletons are growing, require high amounts...

The cockatiel (Nymphicus hollandicus), also known as the weero/weiro or quarrion, is a species of small- to medium-sized parrot belonging to the cockatoo...

curved or corroded crystals no more than 0.15 mm in size. The tetragonal dimorph of khinite is called parakhinite. Both khinite and parakhinite were first...

The skull, or cranium, is typically a bony enclosure around the brain of a vertebrate. In some fish and amphibians, the skull is of cartilage. The skull...

ISSN 0025-3162. S2CID 85256742. Saunders, W.B; Spinosa, C. (1978). "Sexual dimorphism in Nautilus from Palau". Paleobiology. 4 (3): 349–358. Bibcode:1978Pbio...

distribution centered on Palearctic and Americas. Often pronounced sexual dimorphism with males among the most colorful birds alive. Songs tend to be fairly...

specimens, the sexual dimorphism in size of the American alligator is relatively modest among crocodilians. For contrast, the sexual dimorphism of saltwater crocodiles...

in many species, adult males are visibly distinct sizes from females. Dimorphism is also found in physiological and behavioral responses to ovarian steroids...

blue, buff or brown patches, and its tail is kept un-docked. Sexual dimorphism is common in the breed, with male dogs being typically twice the weight...

department of mineralogy of the British Museum (Natural History). Smithite is a dimorph of trechmannite. Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols"...

physically alike (sexual monomorphism) or have physical differences (sexual dimorphism). In sexually dimorphic species, including most birds and mammals, the...

Carletonite – KNa4Ca4Si8O18(CO3)4(OH,F)·H2O Cavansite – Ca(VO)Si4O10·4H2O    (dimorph of pentagonite) Chlorite group – (Al,Fe2+,Fe3+Li,Mg,Mn,Ni)5−6(Al,Fe3+,Si)4(O...

55 to 77 cm (22 to 30 in) long and weighs up to 16 kg (35 lb). Sexual dimorphism has been recorded in this species, with males being larger and heavier...

the dimorphism is not attributed to sexual selection. It is a response to ecological demands of egg deposition. Another example of extreme dimorphism in...

male-biased sexual dimorphism, although some orders do not show any bias or are significantly female-biased (Lagomorpha). Sexual size dimorphism increases with...

distinctive, almost always a rich, bright blue. The color is the same as its dimorph, pentagonite, but the latter is generally much more spikey with bladed...

Part of a series on Biological sex Biological terms Sexual dimorphism Sexual differentiation Feminization Virilization Sex-determination system XY XO ZW...

yellowish brown monoclinic crystals. It is the low temperature monoclinic dimorph of the tetragonal stolzite. It was discovered in 1897 at Broken Hill, New...

years, evidence for sexual dimorphism has been weakened. A 2005 study reported that previous claims of sexual dimorphism in crocodile chevron anatomy...

the Gulf of Mexico, is the only shark species known to display sexual dimorphism in the morphology of the head, and is one of two shark species known to...

pp. 37–43. ISBN 978-0-674-02462-5. Coelho, J. R. (1997). "Sexual size dimorphism and flight behavior in cicada killers (Sphecius specio- 5M5)". Oikos....

Sexual dimorphism in dinosaurs refers to the different physical characteristics of male and female dinosaurs of the same species. This means that the male...

the expression of the dimorphism among primates and the fundamental causes of sexual dimorphism. Primates usually have dimorphism in body mass and canine...

the chemical composition Pb9As4S15. It is considered a low-temperature dimorph of jordanite. Gratonite was discovered in 1939 at the Excelsior Mine, Cerro...

Sexual dimorphism in human bonding refers to the sex-based differences in how humans form, maintain, and experience social and emotional bonds, including...

sexual selection and the Fisherian runaway. Commonly occurring sexual dimorphisms such as size and colour differences are energetically costly attributes...

sexual dimorphism, which is sometimes extremely pronounced; the females may be several orders of magnitude larger in mass than males. This dimorphism has...

aggregates. It has a hardness of 3 and a specific gravity of 4.45. Enargite is dimorph of the tetragonal luzonite. It is a medium to low temperature hydrothermal...

other traits, such as female-dominated social groups, reduced sexual dimorphism that makes females the same size as males, and even ratios of sexes in...

types of sexual dimorphism have been recorded in crab spiders. Some species exhibit color dimorphisms; however, the most apparent dimorphism is the difference...

The phenotypic difference between males and females is called sexual dimorphism. Male grouse tend to be larger than female grouse, which seems to hold...

period around the Ningaloo Reef and concluded the species exhibits sexual dimorphism with regard to size, with females growing larger than males. The study...

Arachnacris corporalis, the giant Malaysian katydid, giant long-legged katydid or giant katydid (not to be confused with Stilpnochlora couloniana, a species...

Although the subject of sexual dimorphism is not in itself controversial, the measures by which it is assessed differ widely. Most of the measures are...

fabianite, CaB30S(OH), and comparison with the structure of its synthetic dimorph" (PDF). Zeitschrift für Kristallographie. 132 (1–6): 241–254. Bibcode:1970ZK...

Protohistorical Algerians and Punics in the region of Tunisia, found strong sexual dimorphism with male skulls being robust. Mediterranean elements were dominant, but...

gorillas, orangutans and humans) in being smaller, exhibiting low sexual dimorphism, and not making nests. Like all of the apes, gibbons are tailless. Unlike...

Which direction they drift from wind influence is determined by their dimorphism. The man o' war has two forms of their enlarged pneumatophores that affect...

compared to their male counterparts [17,18,20,23,24,59,88,176]. This sexual dimorphism was only observed in adult rats, suggesting that gonadal hormones secreted...

specific details of their mating systems less well understood. Sexual size dimorphism in Eunectes is the opposite of most other vertebrates. Females are larger...

Phenotypic switching is switching between multiple cellular morphologies. David R. Soll described two such systems: the first high frequency switching...

Platonic ideal of absolute sex chromosome, gonadal, genital, and hormonal dimorphism"; these publications have been widely quoted by intersex activists. Of...

specimens Moore's clytioides is based." (Rothschild quoted in Bingham) The dimorph or dissimilis form of this race is identical with that of P. clytia. Race...

parks, open woodland, fens, hedgerows, heaths, and moors. A striking dimorphism exists between the male and the female moths of this species. The male...

species have lower levels of male aggression, competition and little sexual dimorphism. Zoologists and biologists now have evidence that monogamous pairs of...

genus, Macrodipteryx, it is native to Africa and displays extreme sexual dimorphism. During the breeding season, males will grow broad ornamental flight feathers...

researchers wrote. "Our analysis demonstrates that there is no functional dimorphism in response to visual sexual stimuli between men and women." Olfactory...

The science of cockatiel colour genetics deals with the heredity of colour variation in the feathers of cockatiels, Nymphicus hollandicus. Colour mutations...

Tanaka, G. M. Jr; Noll, F. B. & Wenzel, J. W. (11 June 2009). "Discrete dimorphism among castes of the bald-faced hornet Dolichovespula maculata (Hymenoptera:...

The yellow-footed green pigeon (Treron phoenicopterus), also known as yellow-legged green pigeon, is a common species of green pigeon found in the Indian...

and borate deposits. Inderite is a member of the inderite group, and a dimorph of kurnakovite. It contains boron, hydrogen, magnesium, and oxygen. It...

molecular formula CaAl2O4. It is the low-pressure dimorph of CaAl2O4, of which the high-pressure dimorph is named dmitryivanovite. Krotite was reported in...

hominins are typically reconstructed as having thick hair and marked sexual dimorphism with males much larger than females, though relative male and female size...

of about 100 centimetres (39 in; 3.3 ft). It does not exhibit sexual dimorphism. It is the largest member of the clade Afroinsectiphilia. The aardvark...

1 in) and a crest on the top of its head. The species expresses sexual dimorphism: Females are a reddish olive color, and have a gray mask around the beak...

humans males. As in all archaic species, there is no evidence of sexual dimorphism in the Neanderthal pelvis; both males and females had large pelvic bones...

Sexual dimorphism describes the morphological, physiological, and behavioral differences between males and females of the same species. Most primates are...

a new genus of Southeast Asian cyprinid fish with a remarkable sexual dimorphism, comprises the world's smallest vertebrate" (PDF). Proceedings of the...

can be in size. Araneids often exhibit size dimorphism typically known as extreme sexual size dimorphism, due to the extent of differences in size. The...

Females are somewhat less colorful than the male, an example of sexual dimorphism. While they have a matching yellow-striped thorax, their abdomen has a...

Male hamadryas baboons have large white manes. Baboons exhibit sexual dimorphism in size, colour, and canine teeth development. Baboons are diurnal and...

Catapleiite (Na2ZrSi3O9·2H2O) is a dimorph of gaidonnayite rarely found by itself. Its name derives from the Greek words "κατα" (kata) and "πλειον" (pleion)...

The white-tailed eagle (Haliaeetus albicilla), sometimes known as the "sea eagle", is a large bird of prey, widely distributed across temperate Eurasia...

two sexes emerge the dimorphism in the gamete structures and sizes may lead to further dimorphism in the species. Sexual dimorphism is often caused through...

A.M.G.O.D. (Allotropic/Metamorphic Genesis of Dimorphism) is the third studio album by Finnish industrial black metal band ...and Oceans. This album incorporates...

reach a length of about 4.5–5.5 millimetres (0.18–0.22 in). It is a sexual dimorph species. Males show dark markings on the face with round spots. Females...

the genus. Alternatively, the differences could be explained by sexual dimorphism within the species. The body length estimations of Vasuki are derived...

Polistes carolina is one of two species of red paper wasp found in the eastern United States (the other being Polistes rubiginosus) and is noted for the...

petrologist who died on a field expedition. It is the high-pressure CaAl2O4 dimorph of krotite. Glossary of meteoritics Monocalcium aluminate Warr, L.N. (2021)...

The true koels, Eudynamys, are a genus of cuckoos from Asia, Australia and the Pacific. They are large sexually dimorphic cuckoos that eat fruits and insects...

shaped. Males and females are identical in plumage coloration, but sexual dimorphism is evident in the species, in that females are 25% larger than males....

Saara hardwickii, commonly known as Hardwicke's spiny-tailed lizard or the Indian spiny-tailed lizard is a species of lizard in the family Agamidae. The...

animals. According to Scott D. Sampson, if ceratopsids were to have sexual dimorphism modern ecological analogues suggest it would be in their mating signals...

characteristics that distinguish males and females. Puberty leads to sexual dimorphism through the development of the secondary sex characteristics, which further...

females. The differences in wing length demonstrate a distinct sexual dimorphism, allowing each sex to best exploit resources in an area. Their primary...

accepted subtypes vary widely in size. This is in part due to sexual dimorphism, as male brown bears average at least 30% larger than females in most...

of the human breasts can be explained by the handicap theory of sexual dimorphism. This would see the explanation for larger breasts as them being an honest...

Issus montenegrus is a species of beetle in the family Issidae found in Montenegro. This species is endemic to Montenegro, where it is found in the regions...

PMC 1942120. PMID 17712410. Manzouri, A.; Savic, I. (2017). "Cerebral sex dimorphism and sexual orientation". Human Brain Mapping. 39 (3): 1175–1186. doi:10...

PMID 22504546. Lee, Jin-Won; Yoo, Jeong-chil (2004). "Effect of host egg color dimorphism on interactions between the vinous-throated parrotbill (Paradoxornis webbianus)...

being slightly smaller and wider than that of the female. This sexual dimorphism is thought to be an explanation for the variation in size of certain ammonite...

overlapped in size with H. habilis, and may have shown marked sexual dimorphism. The new fossils confirm the distinctiveness of H. habilis and H. erectus...

more recent analysis based on canine size and lack of canine sexual dimorphism indicates that Ardipithecus was characterised by reduced aggression, and...

pp. 12–105. ISBN 978-1-4008-4140-0. Crabtree, C. Ben (1985). "Sexual dimorphism of the upper jaw in Gillichthys mirabilis". Bulletin of the Southern California...

metallic prismatic to acicular crystals with monoclinic symmetry. It is a dimorph of the triclinic twinnite. It was first described in 1967 for an occurrence...

habitat. Due to the extreme sexual dimorphism of the species as contrasted with the more modest-sized dimorphism of other species, the average length...

selection. In turn, sexual selection leads to the evolution of sexual dimorphism in mate choice, competitive ability, and courtship displays (see secondary...

; Shea, B. T. (1995). "Ontogeny and the evolution of adult body size dimorphism in apes". American Journal of Primatology. 36 (1): 37–60. Bibcode:1995AmJPr...

Anthonie Cornelis Oudemans and Masauji Hachisuka to speculate about sexual dimorphism, ontogenic traits, seasonal variation, and even the existence of different...

on evolution. Sexual dimorphism is where the basic phenotypic traits vary between males and females of the same species. Dimorphism is found in both sex...

female condor is smaller than the male, an exception to the usual sexual dimorphism seen in birds of prey. The condor is primarily a scavenger, feeding on...

Bryconops sapezal is a species of freshwater ray-finned fish belonging to the family Iguanodectidae. This species is found in the Rio Tapajós basin of...

described in 1849 by George French Angas and exhibits the highest sexual dimorphism among the spiral-horned antelopes. It is not to be confused with the endangered...

The red-tailed black shark (Epalzeorhynchos bicolor; syn. Labeo bicolor), also known as the redtail shark, red tailed shark, and redtail sharkminnow, is...

considered one of the biggest factors responsible for sex-immunologic dimorphism. Estrogen deficiency appears to play a role in the development of Sjögren's...

pickerel frogs to be fit for terrestrial life. Pickerel frogs display sexual dimorphism; the females are typically larger and darker in color than the males....

The hip bone (os coxae, innominate bone, or coxal bone) is a large flat bone, constricted in the center and expanded above and below. In some vertebrates...

or no sagittal crests. A 2025 mitochondrial DNA study affirmed sexual dimorphism in A. simus, with sexually dimorphic size classes and a uniform population...

grasping prey. H. coronatus shows some of the most pronounced size sexual dimorphism of any species of mantis; males can be less than half the size of females...

In vertebrate anatomy, the hip, or coxa (pl.: coxae) in medical terminology, refers to either an anatomical region or a joint on the outer (lateral) side...

measures just 20 cm (7.9 in). As with hawks and owls, falcons exhibit sexual dimorphism, with the females typically larger than the males, thus allowing a wider...

Papilio polyxenes, the (eastern) black swallowtail, American swallowtail or parsnip swallowtail, is a butterfly found throughout much of North America...

insulating layer of blubber helps maintain their body temperature. Sexual dimorphism is the condition where sexes of the same species exhibit different morphological...

; Cavener, M. W.; Hou, X; Pearce, D. L.; Lee, D. E. (2024). "Sexual dimorphisms in body proportions of Masai giraffes and the evolution of the giraffe's...

Media, who issued the A.M. G.O.D.: Allotropic/Metamorphic Genesis of Dimorphism album, described by AllMusic as "definitely one of the band's finest"...

robust species of the genus Dolomedes". This species demonstrates sexual dimorphism, with male body lengths of 18.6–26.0 millimetres (0.73–1.02 in) and females...

for sexual signalling and marking territory. Mustelids exhibit sexual dimorphism, with males being larger than females, but degree varies between species...

expressed by a particular sex. Extreme and (seemingly) maladaptive sexual dimorphism represented a paradox for evolutionary biologists from Charles Darwin's...

200 kg (7,100 lb) southern elephant seal. Several species exhibit sexual dimorphism. They have streamlined bodies and four limbs that are modified into flippers...

Richard (December 1989). "Ecological Causes for the Evolution of Sexual Dimorphism: A Review of the Evidence". The Quarterly Review of Biology. 64 (4): 419–461...

sometimes known as a dewlap. Wattles are frequently organs of sexual dimorphism. In some birds, caruncles are erectile tissue and may or may not have...

elongated than females, with significantly longer antennae, but the sexual dimorphism is not as apparent as in many of the Tiphiidae and Thynnidae. Scoliid...

Forbes, Mark R. L. (1995). "Sex ratios, mating behavior and sexual size dimorphism of the common water snake, Nerodia sipedon ". Behavioral Ecology and Sociobiology...

with well-developed legs. As adults, they demonstrate significant sexual dimorphism. Males are gnat-like with fragile wings, while females are bulbous with...

great variability in their social structure, yet generally lack sexual dimorphism in size and canine tooth morphology. However, some species tend towards...

Antheraea polyphemus, the Polyphemus moth, is a North American member of the family Saturniidae, the giant silk moths. It is a tan-colored moth, with an...

(Rhynchocephalia: Sphenodon): insights on intraspecific variability, ontogeny, sexual dimorphism, and remarks on fossil taxa". Zoological Journal of the Linnean Society...

with many birds of prey, the peregrine falcon displays marked sexual dimorphism in size, with the female measuring up to 30% larger than the male. Males...

(7+1⁄4–13+1⁄4 lb). The southern pudu is only slightly taller and heavier. Sexual dimorphism is quite pronounced – in most species males tend to be larger than females...

nematodes infecting humans. The length of specimens exhibits extreme sexual dimorphism, as the longest recorded male Guinea worm is only 4 cm (1+1⁄2 in). Guinea...

sexual selection. One explanation for the dimorphism observed in the N. pilipes species is sexual size dimorphism may have evolved due to selection favoring...

diving to great depths. Several species of toothed whales show sexual dimorphism, in which the males differ from the females, usually for purposes of sexual...

with small braincases. Their canine teeth are relatively long. Sexual dimorphism of the skull is more pronounced than in corsac foxes, with female red...

spread alarm, she has a pheromone to attract male mates. Sexual and caste dimorphism is very pronounced in this species. While all individuals have a distinctive...

Forger NG, Frank LG, Breedlove SM, Glickman SE (November 1996). "Sexual dimorphism of perineal muscles and motoneurons in spotted hyenas". The Journal of...

Systomus orphoides, is a species of cyprinid fish native to Southeast Asia. It can reach a length of 21 centimetres (8.3 in) SL. It is closely related...

The yellow-footed tortoise (Chelonoidis denticulatus), also known as the Brazilian giant tortoise, is a species of tortoise in the family Testudinidae...

small for flying, regardless of her being gravid. Exhibiting the sexual dimorphism of many similar insects (particularly other phasmids as well as mantises)...

on all of the fins, and all color morphs can have long finnage. Sexual dimorphism is slight but noticeable. The male generally has brighter colors and a...

The scalloped hammerhead (Sphyrna lewini) is a species of hammerhead shark in the family Sphyrnidae. It was originally known as Zygaena lewini. The Greek...

and any other flatworms in that they are dioecious with distinct sexual dimorphism between male and female. Thousands of eggs are released and reach either...

(7 ft 7 in) in length and weighing 130–220 kilograms (290–490 lb). Sexual dimorphism is apparent in body size and shape, with mature males being larger, developing...

Polymorphus is a genus of obligate endoparasitic worms that belongs to the phylum Acanthocephala. There are currently 36 extant species within the genus...

original on February 27, 2024. Kawano, Kazuo (1 March 2006). "Sexual Dimorphism and the Making of Oversized Male Characters in Beetles (Coleoptera)"....

attract the swimming sperm cells. Anisogamy is a core element of sexual dimorphism that helps to explain phenotypic differences between sexes. Researchers...

Sepioteuthis lessoniana, commonly known as the bigfin reef squid, tiger squid, glitter squid, oval squid, or northern calamari, is a species complex in...

addition to the shortened body form, A. spinifrons shows similar sexual dimorphism to that seen in true crabs, where males have a shorter pleon than females...

can be seen both between individuals and between the sexes as sexual dimorphism, between geographically separated populations, and between generations...

populations are either long-winged, wing-dimorphic, or short-winged. Wing dimorphism consists of summer gerrid populations evolving different length wings...

sexual dimorphism in several species. Fossil samples with several associated individuals have been valuable in studying the effects of sexual dimorphism, since...

Astyanax aramburui is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins. This fish is found in...

Mutation Neutral evolution Genetic drift Population Natural selection Sexual dimorphism Sexual selection Flowering plants Fungi Mate choice Social selection Trivers–Willard...

sample of E. grangeri from Mongolia reportedly shows evidence for sexual dimorphism, since the population includes some individuals with paired horns at the...

the underbelly and chin, a bushy tail, and a complete lack of sexual dimorphism. Southern yellow mongooses are larger, have yellow or reddish fur, longer...

between the large and small O. compressus adult teeth might indicate sexual dimorphism. The spines of O. platypternus showing 3 to 4 dentine layers are interpreted...

Part of a series on Biological sex Biological terms Sexual dimorphism Sexual differentiation Feminization Virilization Sex-determination system XY XO ZW...

foraging trips, smaller and more abundant prey items, and greater sexual dimorphism. For these reasons, the distinction remains useful. Fur seals comprise...

male and female horseshoe crabs. This phenomenon is known as sexual size dimorphism and results in the females having a larger average size than males. The...

specimens, containing two forms has been determined to be evidence of sexual dimorphism within that species, the largest known. Males were more robust and heavier...

difficulty is indicative of regional variations in the degree of sexual dimorphism consistent with modern populations. The degree of morphology variation...

large-sized birds with long legs and necks. They exhibit very little sexual dimorphism in size. The smallest species is usually considered the dwarf bittern...

C; Verdolini, Katherine (2006). "Dominance and the evolution of sexual dimorphism in human voice pitch". Evolution and Human Behavior. 27 (4): 283–296....

colour variations are called morphs. Like other falcons, it shows sexual dimorphism, with the female much larger than the male. For centuries, the gyrfalcon...

is somewhat arbitrary. Primates exhibit the highest levels of sexual dimorphism amongst mammals, with males generally being larger than females within...

variety of gross morphological traits of the human skull demonstrate sexual dimorphism, such as the median nuchal line, mastoid processes, supraorbital margin...

the sexes, with the sexual dimorphism in humans being more pronounced than that of chimpanzees, but less than the dimorphism found in gorillas. The colouration...

bird, measuring 11.5–13 cm (4.5–5.1 in) in length. It displays sexual dimorphism in its coloration; the male is vibrant blue in the summer, with brightly...

addition, females tend to be larger than males in a display of sexual dimorphism. Like other spiders of the family Lycosidae, wolf spiders are solitary...

The frontal sinuses are one of the four pairs of paranasal sinuses that are situated behind the brow ridges. Sinuses are mucosa-lined airspaces within...

techniques have revealed information about KNDy cell populations and sexual dimorphism. Larger populations appear in the female ARC than in the male ARC. The...

display considerable sexual dimorphism, with brighter coloration and greater size in males being typical. While such dimorphism is widely known in passerines...

Temminck, 1813 – Java and Bali The species exhibits significant sexual dimorphism. Males are referred to as "roosters", while females are referred to as...

a bulbous abdomen with spines. Males exhibit a fair amount of sexual dimorphism. They tend to be a fraction of the size of the females. Also, they have...

(49 inches) long. The species therefore exhibits female-dominant sexual dimorphism. Dogfish sharks have slate-grey or grey-brown skin with white dots that...

The keyhole cichlid (Cleithracara maronii) is a cichlid fish endemic to tropical South America, occurring in the lower Orinoco Basin in Venezuela and river...

thought to be controlled by sex hormones and growth hormone (GH). Sexual dimorphism in distribution of gynoid fat was thought to emerge around puberty, but...

larger and stronger than the females, although the degree of sexual dimorphism varies greatly among species. Hominid teeth are similar to those of the...

2307/2423887. JSTOR 2423887. Lau, T. F.; Meyer-Rochow, V. B. (2006). "Sexual dimorphism in the compound eye of Rhagophthalmus ohbai (Coleoptera: Rhagophthalmidae):...

crush the bodies of hard shelled prey. Male stingrays display sexual dimorphism by developing cusps, or pointed ends, to some of their teeth. During mating...

these two species are distinct. L. sclopetarius exhibit a slight sexual dimorphism, where females are heavier than males. Females typically weigh around...

deeplyfish.com. May 2017. McGrath, P. E.; Hilton, E. J. (2012). "Sexual dimorphism in longnose gar Lepisosteus osseus". Journal of Fish Biology. 80 (2):...

the body and is most easily recognized in species that display sexual dimorphism. An individual who displays this characteristic is called a gynandromorph...

across individuals of the same species, but there is no evidence of sexual dimorphism. They had a prominent parrot-like beak at the tip of the jaws. P. andrewsi...

cock-of-the-rock is the national bird of Peru. Both known species exhibit sexual dimorphism: the males are bright orange or red with a prominent fan-shaped crests...

Pythagoreanism. He rejected the Aristotelian tradition, which portrayed sexual dimorphism as expressing a proper relation of those ruling (male) and those being...

proportionally with latitude, in contradiction to Bergmann's rule. Sexual dimorphism in size is pronounced, with males being roughly 25% larger than females...

Falcatus was a Carboniferous holocephalan, with a high degree of sexual dimorphism. Dracopristis was a Ctenacanthiform elasmobranch from the late Carboniferous...

However, the fact that Ar. ramidus shares with bonobos reduced sexual dimorphism, and a more paedomorphic form relative to chimpanzees, suggests that the...

consequences, such as intersexual coevolution, speciation, and sexual dimorphism. Harassment is a technique used by males of many species to force females...

clubbing device. There have been several findings of possible sexual dimorphism in stegosaurids. Saitta (2015) presents evidence of two morphs of Hesperosaurus...

could still be attributed to individual or population variation or sexual dimorphism. Daeodon shoshonensis is the largest-known entelodont; known adult individuals...

Maiasaura (from Greek: μαῖα, lit. 'good mother' and Greek: σαύρα, the feminine form of saurus, lit. 'reptile') is a large herbivorous saurolophine hadrosaurid...

Tympanocryptis tetraporophora, also known as Eyrean earless dragon or long-tailed earless dragon, is one of a documented species of a relatively small...

are and who display a high degree of facial symmetry, masculine facial dimorphism, upper body strength, broad shoulders, a relatively narrow waist, and...

fins to the tip of the two long tentacles. Giant squid exhibit sexual dimorphism. Maximum weight is estimated at 275 kg (606 lb) for females and 150 kg...

Carmenta bassiformis, the eupatorium borer moth or ironweed clearwing moth, is a moth of the family Sesiidae. It was described by Francis Walker in 1856...

Myrmaplata plataleoides, also called the red weaver-ant mimicking jumper, is a jumping spider that mimics the Asian weaver ant (Oecophylla smaragdina)...

or chrysalis, unlike that of moths, is not wrapped in a cocoon. Sexual dimorphism in Anthocharis cardamines Many butterflies are sexually dimorphic. Most...

to what extent varied drastically. This variation may indicate sexual dimorphism. It has also been hypothesized as a form of sexual display. Aside from...

929 lb), respectively. It therefore appears to show less pronounced sexual dimorphism than the northern barred owl race. S. v. helveola (Bangs, 1899): The Texas...

harmful if consumed by predators. Habronattus pyrrithrix displays sexual dimorphism with respect to their size and coloration. Females are cryptically colored...

giant wētā (Deinacrida rugosa) likely led to the development of sexual dimorphism. where males develop lighter, more slender bodies and longer legs allows...

subject of scientific research. Differences among the sexes (called sexual dimorphism) within a given species are considered by evolutionary biologists to be...

to demonstrate their fitness to be chosen by females, producing sexual dimorphism in secondary sexual characteristics, such as the ornate plumage of birds-of-paradise...

Eccaparadoxides trilobites showing sexual dimorphism...

they pupate, the pupa being dark brown/black. The pupae also have sexual dimorphism with the females' possessing a notch on their posterior ventral aspect...

using simple polymerase chain reaction product size dimorphism, presence/absence, restriction dimorphism, or even sequencing. Ammer, F. K.; Wood, P. B.; McPherson...

Anthropologist Owen Lovejoy has suggested that bipedalism was a result of sexual dimorphism in efforts to help with the collecting of food. In his Male Provisioning...

Stupendemys is an extinct genus of freshwater side-necked turtle, belonging to the family Podocnemididae. It is the largest freshwater turtle known to...

255 lb) and 795 g (1.753 lb), respectively, also the highest size sexual dimorphism in the species. Size variation in body mass reveals that the red-tailed...

Phyllocrania paradoxa, common name ghost mantis, is a small species of mantis from Africa remarkable for its leaf-like body. It is one of the three species...

Melanotaenia maccullochi, the dwarf rainbowfish or McCulloch's rainbowfish, is a species of rainbow fish in the family Melanotaeniidae. It was described...

Within species there is considerable variation in patterns of sexual dimorphism. Males are larger than females in ruffs and several sandpipers, but are...

hippocastani (the forest cockchafer) as the latter also shows sexual dimorphism, mating practices, and key physical features such as the number of lamellae...

species. Most bovids exhibit sexual dimorphism, with males usually larger as well as heavier than females. Sexual dimorphism is more prominent in medium- to...

different cephalopod order, Nautilida. Argonauts exhibit extreme sexual dimorphism in size and lifespan. Females grow up to 10 cm and make shells up to 30 cm...

Ixodes holocyclus, commonly known as the Australian paralysis tick, is one of about 75 species in the Australian tick fauna and is considered the most...

when not in use. Recent work suggests that the pedipalps display sexual dimorphism in their size and shape. Pedipalp anatomy varies strongly with species...

The Oriental carpenter bee, Xylocopa nasalis, or Xylocopa (Biluna) nasalis, is a species of carpenter bee. It is widely distributed in Southeast Asian...

The Argentine black and white tegu (Salvator merianae), also commonly known as the Argentine giant tegu, the black and white tegu, the blue tegu, and the...

Sexual organisms must spend resources to find mates. In the case of sexual dimorphism, usually one of the sexes contributes more to the survival of their offspring...

a separate family, dubbed Mirapinnidae. Adults exhibit extreme sexual dimorphism, and the adult males were once thought to be exemplars of still another...

a small section of red fur on the brown thorax. Male: There is sexual dimorphism in this species. The wings are long with angular apices. They are iridescent...

yellow-orange band that crosses the 3rd abdominal segment. There is sexual dimorphism in drone flies: males tend to have lighter patterns than females. Males...

Hermaphrodite Plant reproductive morphology Self-incompatibility in plants Sexual dimorphism Trioecy Kurlansky, Mindy B. (2002). "Physalia physalis". Animal Diversity...

The Dytiscidae, from the Ancient Greek word δυτικός (dutikós), meaning "able to dive", are the predaceous diving beetles, a family of water beetles. They...

sometimes a female is more than twice as heavy as her mate. This sexual dimorphism is sometimes most extreme in specialized bird-eaters, such as the Accipiter...

The majority of modern large ungulates exhibit some level of sexual dimorphism, which suggests that brontotheres are likely to also have been sexually...

regions while others can only be found in one specific region. Sexual dimorphism is seen in both extant and extinct members of this family. Sexually dimorphic...

though it may correlate to individual variation, ontogeny, or sexual dimorphism. The nasoantorbital fenestra, a massive opening found in many pterosaurs...

general chemical formula of MnSiO3. It is the high-pressure, low-temperature dimorph of rhodonite. It was first described in 1913 and named for the mineral...

"Paternity in eastern grey kangaroos: moderate skew despite strong sexual dimorphism". Behavioral Ecology. 26 (4): 1147–1155. doi:10.1093/beheco/arv052. ISSN 1045-2249...

can be distinguished by its smaller size and blockier profile. Sexual dimorphism in this species is the least evident of the many species in the genus...

Maidment to realize that Kentrosaurus probably showed sexual dimorphism. This dimorphism of the femurs consisted in them being either more or less robust...

yielding nutrition to the worms. Osedax exhibit very drastic sexual dimorphism, with females being >20,000 times larger than males. Males are paedomorphic...

sexual dimorphism evident after birth, adults were found to demonstrate more dimorphism than children, who show the same extent of dimorphism as fetuses...

PMID 15817436. Van Valkenburgh, Blaire; Sacco, Tyson (2002). "Sexual dimorphism, social behavior, and intrasexual competition in large Pleistocene carnivorans"...

zone which they inhabit. The deep-sea anglerfishes have extreme sexual dimorphism; the males are many times smaller than the females. To reproduce, a male...

than one species. Dinornis seems to have had the most pronounced sexual dimorphism of all moa, with females being up to twice as tall and three times as...

including phenomena such as flightless morphs, parthenogenesis, sexual dimorphism, and eusociality. The phylogeny of the extant Sternorrhyncha, from a 2024...

beetles exhibit sexual dimorphism. In particular, they exhibit dimorphism in the adhesive tarsal setae. The paper "Sexual dimorphism in the attachment ability...

105 cm long with predominantly black plumage. The species exhibits sexual dimorphism; the female is larger than the adult male and has a white throat and breast...

delivery of the sperm to the female. Members of many orders exhibit sexual dimorphism. Arachnids usually lay yolky eggs, which hatch into immatures that resemble...

tail measuring 27–30 cm (11–12 in) long. There is no pronounced sexual dimorphism, but males appear slightly larger than females. Both sexes are reported...

The ringed kingfisher (Megaceryle torquata) is a large, conspicuous, and noisy kingfisher bird commonly found along the lower Rio Grande Valley in southeasternmost...

family Anatidae have bright, colourful plumage, exhibiting strong sexual dimorphism. However, they moult into a dull plumage after breeding in mid-summer...

The antilopine kangaroo is one of a few macropods to display sexual dimorphism, with the male being mostly a reddish colour above, and females being...

period; the adults are larger with different body proportions, less sexual dimorphism, and higher metabolic rates; they mature more rapidly and start reproducing...

represents some sort of dimorphism in the population of Coelophysis, probably sexual dimorphism. Raath agreed that dimorphism in Coelophysis is evidenced...

'prickle-eye', after a spine beneath each eye. There is evidence of sexual dimorphism in this species with studies showing that males have one hard ray in their...

garden spider Araneus diadematus: the roles of female hunger and mate size dimorphism". Animal Behaviour. 81 (4): 749–755. doi:10.1016/j.anbehav.2011.01.005...

scattering of blue light (the Tyndall effect). In most species, sexual dimorphism is limited. When clear distinctions do occur, size differences between...

miniature horses are no taller than 30 inches (76 cm) in adulthood. Sexual dimorphism is limited in equines. The penis of the male is vascular and lacks a bone...

smaller, at around 71 cm (28 in) long. Frigatebirds exhibit marked sexual dimorphism; females are larger and up to 25 percent heavier than males, and generally...

assumption behind hypotheses based on fossil evidence is that less sexual dimorphism in body mass (i.e., similarity) is indicative of monogamy, but the comparative...

sexing data accompanying museum specimens used in determining this sexual dimorphism has been questioned. Young birds are duller. When calling, the dark patches...

ft), double the size of female tusks. Despite the link between sexual dimorphism and the length of the tusk, both males and females may use tusks in aggressive...

parasitoid wasp of the family Mymaridae, which exhibits strong sexual dimorphism. The males are blind, apterous, and their body length is only 40% that...

Sternotherus odoratus is a species of small turtle in the family Kinosternidae. The species is native to southeastern Canada and much of the Eastern United...

diverse Japanese rhinoceros beetle populations. With regards to sexual dimorphisms, Japanese rhinoceros beetles suffer male-biased predation by both avian...

is renowned for its courtship display. The bird shows extreme sexual dimorphism, with males nearly twice the size of females. The global population is...

and black markings on its abdomen. Argiope bruennichi exhibit sexual dimorphism. The adult males average a length of approximately 4.5 mm while the adult...

evidence of sexual dimorphism; there are currently no other examples of sexual selection that do not include considerable sexual dimorphism. Recent commentators...

and 2.5 kg (2.6 and 5.5 lb). Males and females do not display sexual dimorphism. This species has dark-colored plumage with bare supra-loreal skin and...

Seitner, Gabriele; Wilhelm, Michael (March 2014). "Behavioral Sexual Dimorphism in School-Age Children and Early Developmental Exposure to Dioxins and...

budget between males and females, possibly explaining the lack of sexual dimorphism. Burchell's zebras are described as being striped on the head, the neck...

compared to orangutans (though this is partly due to the great sexual dimorphism exhibited in gorillas and orangutans). Baab concluded that H. erectus...

et al. 1978; Christian et al. 1995). There is also evidence of sexual dimorphism both in the robustness of the skeleton and in the relative height of the...

The chestnut-breasted quail-thrush (Cinclosoma castaneothorax) is a small endemic Australian bird which is predominantly found within the semi-arid deserts...

Female and male dwarf gouramis (Trichogaster lalius) showing sexual dimorphism Macropodus erythropterus Paradise fish (Macropodus opercularis) Giant...

(1 January 1972). "Deciduous Wings in Crickets:a New Basis for Wing Dimorphism". Psyche: A Journal of Entomology. 79 (4): 311–314. doi:10.1155/1972/17254...

Understanding the contribution of LFY and PEBP flowering genes to fern leaf dimorphism – Botany 2019. "Fern Structure". US Forest Service. Archived from the...

Sweden and at the Sterling Mine in New Jersey, United States. It is a dimorph of sarkinite and is isostructural with adamite. The name, for the biblical...

the adults do not feed. Their mouth parts have been reduced. Sexual dimorphism is present in the adult stages of this species: Male More heavily marked...

and the fright reaction that is present in other ostariophysans. Sexual dimorphism is exhibited in most species in that mature females are typically larger...

sexually selected were more vulnerable to extinction, and ostracod sexual dimorphism was significantly rarer following the mass extinction. Among decapods...

result of homoplasy. Turtles of the genus Apalone exhibit marked sexual dimorphism. In carapace length, females grow to about twice the size of males. In...

or cream all over. The dog should have a "vigorous" appearance. Sexual dimorphism is evident in this breed, with males being significantly larger than females...

The black marlin (Istiompax indica) is a species of marlin found in tropical and subtropical areas of the Indian and Pacific Oceans approximately between...

polygyny exists, the red-winged blackbird exhibit considerable sexual dimorphism both in plumage and size, males weighing between 65 and 80 g (2.3 and...

mass than in other populations. Perhaps because of this physical sexual dimorphism, there is a skewed sex ratio of about 1.5:1 female to male. An adult male...

Citheronia laocoon is a species of moth in the family Saturniidae. It is found from the Guianas south to northern Argentina. The moths are relatively large...

300 and 6,600 ft)> Krøyer's deep sea angler fish shows extreme sexual dimorphism. The metamorphosed females have a maximum standard length of 77 cm (30 in)...

involve large fluctuations in hormones and there is evidence of sexual dimorphism between males and females. Squirrel monkeys can only sweat through the...

wings with yellow, red, white and blue markings. The species is sexually dimorph, with males smaller than females and having a smaller white patch at the...

1 kg (22–62 lb) based on volumetric analysis. There was slight sexual dimorphism, with the males being larger than females on average. Males weighed on...

time they evolved to their extinction show that species with high sexual dimorphism, especially characteristics in males that are used to compete for mating...

"eclipse" plumage. Southern resident species typically show less sexual dimorphism, although there are exceptions such as the paradise shelduck of New Zealand...

 115–. ISBN 978-81-906757-4-1. Geber, Monica A. (1999). Gender and sexual dimorphism in flowering plants. Berlin: Springer. ISBN 3-540-64597-7. p. 4 Testolin...

length, and cell number seem to correlate with sexual orientation, and a dimorphism in its volume and of cells could bias the processing cues involved in...

Henry- Langston, Sarah; Lamar, Nicholas; Kasper, Stephen (2014). "Sexual dimorphism in the ringtail (Bassariscus astutus) from Texas". Natural Science Research...

PMC 3738559. PMID 23951334. Van Valkenburgh, B.; Sacco, T. (2002). "Sexual dimorphism, social behavior, and intrasexual competition in large Pleistocene carnivorans"...

Caledonian Imperial Pigeon Ducula goliath (Gray 1859) with emphasis on sexual dimorphism". Notornis. 50 (3): 155–160. doi:10.63172/345601bvyefu. Retrieved 21 August...

specimens can weigh up to 4.5 kg (9.9 lb). This species exhibits sexual dimorphism, with males being much smaller than females. The common name false water...

long enough to extend beyond the tip of the abdomen (metasoma). Sexual dimorphism is not pronounced, although females are often larger than the males. Coloration...

name from their great size and from the male's large proboscis. Sexual dimorphism in size is great. Correspondingly, the mating system is highly polygynous;...

female ossicones vary in structure and purpose (a manifestation of sexual dimorphism). Males typically have thicker ossicones that become bald on top due to...

Calumma tarzan, also known commonly as the Tarzan chameleon or Tarzan's chameleon, is a species of lizard in the family Chamaeleonidae. The species is...

cancriformis, occurs in the Americas. Members of the genus exhibit strong sexual dimorphism. Females are several times larger than males, which lack prominent spines...

families Pomacentridae and Synodontidae). Males and females exhibit sexual dimorphism in hunting behavior, as adult females, which are significantly larger...

Pelvicachromis pulcher is a freshwater fish of the cichlid family, endemic to Nigeria and Cameroon. It is popular amongst aquarium hobbyists, and is most...

among mammals, the female is larger than the male, an example of sexual dimorphism.[citation needed] The Cape hare inhabits macchia-type vegetation, grassland...

Bombus vancouverensis, the Vancouver Bumblebee, is a common species of eusocial bumblebee of the subgenus Pyrobombus. B. vancouverensis inhabits mountainous...

by a bright orange color in their gills. Gammarus pulex display sexual dimorphism at maturity. Males of the species grow to 21 mm (0.83 in) while females...

sedentary and territorial species, also exhibiting a high degree of sexual dimorphism; the male in breeding plumage has a striking bright blue forehead, ear...

Scientists hypothesize several explanations, including the great sexual dimorphism of the species, and a female's need for food after breeding to sustain...

contemporary G. egeriana-like birds. Probably a distinct species – sexual dimorphism in loons is not very pronounced Smaller than common loon; the polished-bone...

Choeradodis rhombicollis, or Peruvian shield mantis, is a species of praying mantis native to North America, Central America, and South America. It is...

aggression tended towards psychological or social harm. In general, sexual dimorphism can be attributed to greater intraspecific competition in one sex, either...

The Abyssinian scimitarbill (Rhinopomastus minor) is a species of bird in the family Phoeniculidae. The term Abyssinia, is an old name for the region of...

Ocythoe tuberculata, also known as the tuberculate pelagic octopus or football octopus, is a pelagic octopus. It is the only known species in the family...

26 centimetres (5.9 to 10.2 in) long, and they exhibit a strong sexual dimorphism. These fish are apex predators and have enormous jaws filled with fang-like...

1996. pg. 93. ISBN 0-7513-0436-0 Wilhelm, G., et al. (2011). Sexual dimorphism in head structures of the weevil Rhopalapion longirostre (Olivier 1807)...

of unfavorable climatic change. Platybelodon exhibited strong sexual dimorphism. Males had larger and more robust upper tusks, indicating a strong role...

evidence. Dinosaur reproduction also required a mate; evidence of sexual dimorphism and courting displays have been found from fossil scrapings in sandstone...

otherwise a deep pink. The bill is grey. There is no significant sexual dimorphism. Like the American flamingo, their pink color is diet-derived, consisting...

The male oriole is slightly larger than the female, although the size dimorphism is minimal by icterid standards. Adults always have white bars on the...

with pointed bill tips tend to probe for annelid worms. They show sexual dimorphism, with females being longer-billed and heavier than males. The diet of...

this magpie-like species is comprised by its very long tail. Less sexual dimorphism is seen in plumage, but with only 25 species showing such differences...

to sea lions, fur seals are generally smaller, exhibit greater sexual dimorphism, eat smaller prey and go on longer foraging trips; and, of course, there...

competition by males pertaining to this species depends on their hind leg dimorphism. They use their legs to squeeze other males when competing for sexual...

coloured and some, multi-coloured. Most parrots exhibit little or no sexual dimorphism in the visual spectrum. The most important components of most parrots'...

in Lake Baikal at 455 metres (1,500 ft). Some amphipods exhibit sexual dimorphism. In dimorphic species, males are usually larger than females, although...

foraging trips, smaller and more abundant prey items, and greater sexual dimorphism. All sea lions have certain features in common, in particular their coarse...

weighs 15 to 30 g (0.53 to 1.06 oz). The species exhibits slight sexual dimorphism in size, with the male being slightly larger than the female. The dorsal...

females are relatively unknown; the few that do show a male-biased sexual dimorphism. Examples include Allocosa brasiliensis (a wolf spider), Evarcha culicivora...

Araneidae. Like other spiders of the genus, they display extreme sexual dimorphism, with large females and small males. Females vary in total body length...

lacked teeth. Some groups developed elaborate head crests with sexual dimorphism. Since 2010 it is understood that many species, the basal Monofenestrata...

Dictyotene Dideoxy method Differentiation Dihybrid Dihybrid cross Dimerization Dimorphism Dioecious plant Diploid Directed evolution Directed mutagenesis Directed...

(15 March 2008). "Sex differences in energetic costs explain sexual dimorphism in the circadian rhythm modulation of the electrocommunication signal...

and tail feathers with a white base and white tip. They exhibit sexual dimorphism with the females being larger by about 35%. In the United States, the...

control agent in agricultural settings. Additionally, the beetle has wing dimorphism which has contributed to its increasing distribution across North America...

have the greatest dimorphism; rheas show some dichromatism during the breeding season. Emus, cassowaries, and kiwis show some dimorphism, predominantly in...

Frank, S. Marc Breedlove, Stephen E. Glickman (6 December 1998). "Sexual Dimorphism of Perineal Muscles and Motoneurons in Spotted Hyenas"; The Journal of...

the ducts. The perigenital area of the genus Tubiluchus exhibits sexual dimorphism. For the species Priapulus caudatus, the 80 μm egg undergoes a total and...

species in this family are similar in appearance, with little sexual dimorphism. The largest member of the family, the stone triggerfish (Pseudobalistes...

the tibia of their hind legs have a flat, leaf-like appearance. Sexual dimorphism is relatively limited. The hind femora and shape of the expanded hind...

The Helanshan variant is smaller in size, with less pronounced sexual dimorphism and straighter horns. The bharal is mainly a grazer, feeding on grasses...

be almost completely superhydrophobic. Morpho peleides have low sexual dimorphism in both wing pattern and overall size. On males, the blue iridescence...

the dome shape in the adult stage. It could also be evidence of sexual dimorphism with the female being more flat-headed. Ceratopsians, or "horned-faces"...

"Reconstructing the life appearance of a Pleistocene giant: size, shape, sexual dimorphism and ontogeny of Palaeoloxodon antiquus (Proboscidea: Elephantidae) from...

(240–635 lb), and the lighter females 100–213 kg (220–470 lb). Sexual dimorphism is prominent; while females and juveniles are orange to tawny, adult males...

kg and standing at least 60 cm at the withers, with the usual sexual dimorphism – dogs are somewhat larger and heavier than bitches. The coat may be of...

body mass than nominate race bears and with more pronounced size sexual dimorphism. They are 60–92 cm (2 ft 0 in – 3 ft 0 in) high at the shoulder, and have...

that this could be a reason why there is no observed significant sexual dimorphism between the male and female large white butterflies. Large white butterflies...

considered conspecific with the Northern Hemisphere's northern pintail. Sexual dimorphism is much less pronounced in the southern pintail, with the breeding plumage...

individuals due to differences in the food availability. The level of sexual dimorphism in size is not certain, but the male is believed to be typically about...

species was reverted to its original form as "melas". There is sexual dimorphism in the species. Females grow to a maximum length of up to 6 m (20 ft)...

the females prefer for familiar males over unfamiliar. There is no size dimorphism between the sexes so the females are considered dominant over the males...

immobile pupal stage. Some, such as stag beetles, have a marked sexual dimorphism, the males possessing enormously enlarged mandibles which they use to...

humans Biology Sexual differentiation disorders In research Physiology Dimorphism Scientific measures Medicine and health Autoimmunity Life expectancy Health...

Holocene in Cambodia and Vietnam. Orangutans display significant sexual dimorphism; females typically stand 115 cm (45 in) tall and weigh around 37 kg (82 lb)...

and weigh over 900 kg (2,000 lb). Crocodilians show pronounced sexual dimorphism, with males growing much larger and more rapidly than females. Despite...

PMID 9823484. Ardekani, B. A.; Figarsky, K.; Sidtis, J. J. (2012). "Sexual Dimorphism in the Human Corpus Callosum: An MRI Study Using the OASIS Brain Database"...

doi:10.1164/rccm.200208-876OC. PMID 12773331. Glucksman A (1981). Sexual Dimorphism in Human and Mammalian Biology and Pathology. Academic Press. pp. 66–75...

S2CID 25372591. McCombe PA, Greer JM, Mackay IR (December 2009). "Sexual dimorphism in autoimmune disease". Current Molecular Medicine. 9 (9): 1058–1079....

hominids' cause of death and some debate over their species and sexual dimorphism. In the late 1960s, French paleoanthropologist Maurice Taieb began geological...

Advances in the Study of Behavior, vol. 35 French and Snowdon. Sexual dimorphism in responses to unfamiliar intruders in the tamarin, Saguinus oedipus...

They unusually exhibit reverse sexual dichromatism, a form of sexual dimorphism where the two sexes have differential coloration with the females being...

during mating. Many species of spiders exhibit a great deal of sexual dimorphism. Spiders, unlike insects, have only two main body parts (tagmata) instead...

bumpy, pyramidal shape as is commonly seen in the latter species. Sexual dimorphism is slight. Compared to females, male radiated tortoises usually have longer...

831–846 Andersson, S; Rnborg, J; Andersson, M (1998). "Ultraviolet sexual dimorphism and assortative mating in blue tits". Proc Biol Sci. 265 (1395): 445–450...

deter, distract or otherwise deceive predators". The species shows sexual dimorphism, as in most Lepidoptera. Female moths of this species tend to be larger...

(1995). "Selection on Fecundity and Variation in the Degree of Sexual Size Dimorphism Among Spider Species (Class Araneae)". Evolution. 49 (4): 776–781. doi:10...

have grey saddle patches on their backs. The species exhibits sexual dimorphism, as the females are smaller with small straight horns that are widely...

More generally, intrasexual selection is often associated with sexual dimorphism, including differences in body size between males and females of a species...

Pelvicachromis drachenfelsi is a freshwater fish of the cichlid family, endemic to the Wouri River system near the town of Yabassi in Cameroon. Specimens...

islands Chalcosoma atlas hesperus (Erichson, 1834)- Philippines Sexual dimorphism in Chalcosoma atlas. From Darwin's The Descent of Man, 2nd edn. 1882....

and also helps them retain moisture. Mutillids exhibit extreme sexual dimorphism. As in some related families in the Vespoidea, males have wings, but females...

descendant. This species is most well known for showing unique sexual dimorphism among rhinos. Iranotherium is only known from cranial material, and rare...

Guerao; Guiomar Rotllant (2009). "Post-larval development and sexual dimorphism of the spider crab Maja brachydactyla (Brachyura: Majidae)" (PDF). Scientia...

ventral field. Prominent black patches surround its lips and eyes. Sexual dimorphism is apparent in body size, with mature females being longer than males...

characterized in males by an increase in testosterone, exaggerated sexual dimorphisms, increased aggression, as well as increased interest in females. The...

7 cm (6.6 in) in the male, and under in the female. There is some sexual dimorphism in size, as the slightly heavier male weighs 1.7–2.5 kg (3.7–5.5 lb) compared...

Bryconops allisoni is a small species of freshwater ray-finned fish belonging to the family Iguanodectidae. This fish is found in rivers of Brazil. It...

from 3 teeth (2 upper molar, 1 lower molar). The first record of sexual dimorphism (difference in size between males and females) in a fossil bandicoot was...

Retrieved 21 August 2012. Koffijberg, K.; Van Eerden, M.R. (1995). "Sexual dimorphism in the cormorant Phalacrocorax carbo sinensis: possible implications for...

Polychaeta, phylum Annelida) noted for displaying exceptional sexual dimorphism and for the biocidal properties of a pigment in its skin. The species...

associated with conditions during shorter developmental periods. Sexual dimorphism is cryptic, with males having a slightly longer tail fork– about 7% longer...

"shimmering light-blue mirrors". The blue morpho species exhibit sexual dimorphism. In some species (for instance M.adonis, M. eugenia, M. aega, M. cypris...

1093/biolinnean/bly109. Maan, M. E.; Cummings, M. E. (2009). "Sexual dimorphism and directional sexual selection on aposematic signals in a poison frog"...

pharmaceuticals" (PDF). Asian Myrmecology. 4: 103–120. Weber, NA (1946). "Dimorphism in the African Oecophylla worker and an anomaly (Hym.: Formicidae)" (PDF)...

short tons) sperm whale. Several species of odontocetes exhibit sexual dimorphism, in that there are size or other morphological differences between females...

Phylogenomic and Comparative Analyses Unravel a Complex Evolution of Sexual Size Dimorphism". Systematic Biology. 68 (4): 555–572. doi:10.1093/sysbio/syy082. PMC 6568015...

180–200 cm (5.9–6.6 ft) with a weight of 150–300 kg (330–660 lb). Sexual dimorphism in the species is particularly high compared with most other mammals....

more slender beaks than those of adults. Many hornbills show sexual dimorphism in the size and shape of both beaks and casques, and the female huia's...

hawk-eagle. Like most birds of prey, Bonelli's eagle displays reverse sexual dimorphism as the female is larger than the male to the contrary of most other kinds...

secondary sex characteristics, and often represent an increase in sexual dimorphism.[clarification needed] After sexual maturity is achieved,[clarification...

Litteratura Serpentium, 15(5), 128-132. Shine, R. (1994). Sexual size dimorphism in snakes revisited. Copeia, 326-346. Williams, K. L. (1994). Lampropeltis...

humans Biology Sexual differentiation disorders In research Physiology Dimorphism Scientific measures Medicine and health Autoimmunity Life expectancy Health...

Filistata hibernalis. Found in the Americas, it exhibits strong sexual dimorphism. It lives in the southern states of the USA, throughout Central America...

(which was apparently not present in the European aurochs) and the sexual dimorphism in colour is unclear in most cases; bulls and cows may be dark with a...

(September 1999). "Cortisol metabolism in healthy young adults: sexual dimorphism in activities of A-ring reductases, but not 11beta-hydroxysteroid dehydrogenases"...

ISBN 978-097-131-9. Luiselli, L. & Angelici, F. M. (1998). "Sexual size dimorphism and natural history traits are correlated with intersexual dietary divergence...

Like other Ceratioids, this species is notable for its extreme sexual dimorphism. The triplewart seadevil was first formally described in 1883 by the American...

group, and probably forms a complete series with metavariscite. It is the dimorph of strengite. It is totally soluble in Hydrochloric acid and nearly insoluble...

Elliot, M. C.; Delezene, L. K. (2017). "Body size, brain size, and sexual dimorphism in Homo naledi from the Dinaledi Chamber". Journal of Human Evolution...

Other than the slight difference in length, there is very limited sexual dimorphism. They have a body weight of 80–120 g (2.8–4.2 oz). The back is dark brown...

Abbott's crested lizard (Gonocephalus doriae abbotti), also known commonly as Abbott's anglehead lizard and Cochran's forest dragon, is a subspecies of...

Angiolini, Lucia; Gaetani, Maurizio (25 February 2015). "Precocious sexual dimorphism and the Lilliput effect in Neo-Tethyan Ostracoda (Crustacea) through the...

populations are claimed to have decreased in size and increased their sexual dimorphism, but this was dismissed in a 2012 study. The appearance of the woolly...

girl. Anatomically the general female characteristic of human sexual dimorphism is the human female reproductive system, which includes the ovaries, fallopian...

 365. ISBN 978-0-08-049015-1. Pietsch, Theodore W. (25 August 2005). "Dimorphism, parasitism, and sex revisited: modes of reproduction among deep-sea ceratioid...

between species, blends with the small melon without a crease. Sexual dimorphism is poorly known, but the females tend to be the same size or larger than...

as well as sexual dimorphism being evident in several species. Dinornis seems to have had the most pronounced sexual dimorphism, with females being...

cord leaves the cranium. Recent evidence regarding modern human sexual dimorphism (physical differences between male and female) in the lumbar spine has...

Rasmussen, L. E. L.; Whitehouse, A. M.; Schulte, B. A. (2009). "Sexual dimorphism in the performance of chemosensory investigatory behaviours by African...

genus Dinornis, the giant moa of New Zealand. (Some moa exhibited sexual dimorphism, with females tending to be larger than males.) Eggs assigned to this...

55 to 0.71 in) and the tarsus is 2 to 2.3 cm (0.79 to 0.91 in). Sexual dimorphism is slight with males being larger than their mates. A study indicated...

patch on their white breast. Males and females exhibit marked sexual dimorphism. Breeding habitat consists of cool-temperate open deciduous woods throughout...

California sea lion differs from the Galapagos sea lion in its greater sexual dimorphism. The Steller sea lion is the closest extant relative of the Zalophus sea...

lighter, weighing 20–33 kg (44–73 lb) or 27 kg (60 lb) on average. Sexual dimorphism is prominent, as males are heavier and darker than the females. The long...

features, which is typically attributed to moderate to high levels of sexual dimorphism in that males were more robust than females. In 1992, American anthropologist...

CLP patients, and none of the anomalies showed any significant sexual dimorphism. It is therefore evident that patients with cleft lip and palate may present...

1111/nph.12258. PMID 23586922. Lloyd, D. G.; Myall, A. J. (1976). "Sexual Dimorphism in Cirsium arvense (L.) Scop". Annals of Botany. 40: 115–123. doi:10.1093/oxfordjournals...

species show some barring, especially on the tail or wings. No sexual dimorphism is seen in the plumage of wrens, and little difference exists between...

(75 cm) and a maximum unofficial weight of 25 lb 1 oz (11.4 kg). Sexual dimorphism is found, with the female larger than the male. Largemouth bass prefer...

and at levels significantly higher than in females, highlighting sexual dimorphism in hormone production. The body is small compared to the wings. The upper...

Chaunacidae, Chaunacops melanostomus, exhibits a single trait showing sexual dimorphism. Sample collection shows that males tend to have larger nostrils than...

Larviform female is a biological phenomenon occurring in some insect species, where the females in the adult stage of metamorphosis resemble the larvae...

the epipelagic zone of warm seas[citation needed]. The degree of sexual dimorphism in this species is very high, with females growing up to two meters in...

Androgyny Futanari Gynandromorphism Hermaphrodite Oyamakui no Kami Sexual dimorphism Shemale David Hillman (2014). Hermaphrodites, Gynomorphs and Jesus. Ronin...

hibernates in dens during the winter. Himalayan brown bears exhibit sexual dimorphism. Males range from 1.5 to 2.2 m (4 ft 11 in to 7 ft 3 in) long, while females...

epithet dispar means 'to separate' in Latin; it refers to the sexual dimorphism observed in the male and female imagines. In June 2021 the 17-member governing...

PMID 11396580. Berry, James F.; Shine, Richard (1980). "Sexual Size Dimorphism and Sexual Selection in Turtles (order Testudines)". Oecologia. 44 (2):...

cases of sexual dimorphism in plant architecture and flower production in some species. Below are some specific examples of sexual dimorphisms in flowering...

coleopterology, giraffe weevils are of interest because they exhibit sexual dimorphism. There are other beetle species that share the common name giraffe weevil...

reported to bite humans. Species Leptoglossus australis engage in sexual dimorphism by the functional morphology of their femurs. Members of L. australis...

ratio, and interpreted them as different sexes. Bennett tested for sexual dimorphism in Rhamphorhynchus by using a statistical analysis, and found that the...

are present, sex can be determined by looking for distinctive sexual dimorphisms. When available, the pelvis is extremely useful in the determination...

are 11–13 cm (4.3–5.1 in) long. The species displays a degree of sexual dimorphism, in that females are generally larger and heavier than males. Generally...

The red-crested korhaan or red-crested bustard (Lophotis ruficrista) is a species of bird in the family Otididae. It is found in Angola, Botswana, Eswatini...

Herpetogramma aquilonalis is a species of pearl moth in the family Crambidae. Their wingspan is on average 23-27 mm and are generally white with grey or...

is no clear argument for whether the trait has significance in sexual dimorphism studies or age related studies. In some studies, there is clear data that...

significantly larger than the German Shepherd and shows substantial sexual dimorphism: dogs typically stand 67 to 72 cm (26 to 28 in) at the withers although...

larger than the male, at 2.0–2.5 kg (4.4–5.5 lb). This is typical sexual dimorphism in birds of prey. Males usually have wingspans around 2.0 m (6.6 ft),...

solitaires grew to the size of swans, and demonstrated pronounced sexual dimorphism. Males were much larger than females and measured up to 75.7–90 centimetres...

sexual dimorphism theory would predict roughly equal numbers of individuals with two distinct sizes of tail clubs. Obvious sexual dimorphism has not...

63 cm (25 in) is the largest parasitic cuckoo. Generally, little sexual dimorphism in size occurs, but where it exists, it can be either the male or the...

covered with a dark, charcoal-color outlined with yellow lines. Sexual dimorphism played a key role in identifying females, who were typically larger than...

original on 2025-06-27. Retrieved 2026-05-26. Money, John (1970). "Sexual dimorphism and homosexual gender identity". Psychological Bulletin. 74 (6): 425–440...

morphology and can be separated only by microscopic examination. Sexual dimorphism occurs in C. lectularius, with the females averaging larger in size than...

ISBN 0-801-88221-4. OCLC 62265494. Kappeler, P. M. (1991). "Patterns of sexual dimorphism in body weight among prosimian primates". Folia Primatologica. 57 (3):...

back and the highest body point on its head, exhibits significant sexual dimorphism with a male reaching an average shoulder height of about 2.75 m (9 ft...

Tibetan macaque and a few of the gray langurs can rival its size. Sexual dimorphism is pronounced in the species. Males have a head-body length of 66 to 76...

space. Melanocetids, like most deep-sea anglerfish, have high sexual dimorphism: while females may reach a length of 18 cm (7.1 in) or more, males remain...

about 38–42% more, in the autumn. The animals show very little sexual dimorphism; males are only slightly larger than females. They have a uniform, steely-grey...

Sexual dimorphism is seen; mature females reach a maximum overall length of 7 cm (2.8 in), while males reach only 4 cm (1.6 in). Sexual dimorphism is also...

added the old Lull–Sternberg lineages combined with maturity and sexual dimorphism, suggesting that the T. horridus–T. prorsus–T. brevicornus lineage was...

com. Retrieved April 20, 2022. Saitta E.T. (2015). "Evidence for Sexual Dimorphism in the Plated Dinosaur Stegosaurus mjosi (Ornithischia, Stegosauria) from...

; Rosso, Massimiliano; Pitman, Robert L. (2023), "Beaked Whale Sexual Dimorphism, Mating Strategies, and Diversification", in Würsig, Bernd; Orbach, Dara...

gregariousness via sexual dimorphism. Sexual dimorphism within canine dimensions suggests cave lions had similar sexual dimorphism to lions, and in evolutionary...

bee with well-developed, large jaws. The species exhibits strong sexual dimorphism; females may reach a length of 38 mm (1.5 in), with a wingspan of 63.5 mm...

reproduction. Little is known about growth rates or a possible sexual dimorphism. From the parental care indicated by the large size of the young, it can...

Anasaitis canosus, previously of the genus Corythalia, is a small jumping spider that can typically be found atop leaf-litter or man-made structures such...

new specimen of Ankalagon (Mammalia, Mesonychia) and evidence of sexual dimorphism in mesonychians". Journal of Vertebrate Paleontology. 20 (2): 387–393...

northern Germany. Nopcsa also created a theory about the dinosaurs' sexual dimorphism, which he published in 1926. Among others, he thought that hadrosaurid...

hormones help determine how neurons synapse and migrate to result in sexual dimorphisms. These physical differences lead to differences in behavior. While GnRH...

likely represent the same taxon with significant age-related and sexual dimorphism, though this is not a universally held view. In 2006, the team favoured...

originate from the desire to look more attractive by exaggerating sexual dimorphism, as women have more slender necks than men. Another idea is that the coils...

smooth muscles in their lungs to take in air. Amphiuma demonstrate sexual dimorphism in relation to the size of their bodies and the size of their heads. Generally...

Thunberg, 1806: 205. As with most of the species of the Lucanidae, sexual dimorphism is pronounced, and the male of Lucanus capreolus is larger than the female...

the shrew actively uses to search for prey, especially in the night. Dimorphism in body features between males and females is absent. A chromosome-level...

Vincent, Shawn E.; Herrel, Anthony; Irschick, Duncan J. (2004). "Sexual dimorphism in head shape and diet in the cottonmouth snake (Agkistrodon piscivorus)"...

containing 11 such oocytes, each approximately 2 mm in diameter. Sexual dimorphism is best documented in A. minotaur, the only species known from both sexes...

length of burbot by maturity is about 40 cm (16 in), with slight sexual dimorphism. Maximum lengths range between 30 and 120 cm (12 and 47 in), and weights...

family Canidae found in North America. This species exhibits little sexual dimorphism, with the male being slightly larger. The average species weight is between...

Augochlorella is a genus in the bee family Halictidae, commonly called sweat bees. They display metallic coloration, ranging from reddish to gold to bluish...

manicatum bees are larger than females in size, displaying male-biased sexual dimorphism. The selection for larger size in males may have resulted due to their...

colloquially as a "peacock". The Indian peafowl displays a marked form of sexual dimorphism. The brightly coloured male has a blue coloured head with a fan-shaped...

they'd be especially vulnerable to getting trapped. No evidence of sexual dimorphism in Glyptodon has been described, but it has been observed in the close...

segment. While many other North American Polistes species show sexual dimorphism in coloration, P. annularis and P. erythrocephalus rather uniquely do...

questioned in a follow-up study by the same group which found that the sexual dimorphism of the BSTc is not significant until adulthood (approximately 22 years...

The Burmese eyed turtle (Morenia ocellata), also known as the Bengal eyed terrapin, Burmese peacock turtle or swamp turtle, is a species of turtle in the...

sexually dimorphic groups of birds. In only the floricans is the sexual dimorphism the reverse, with the adult female being slightly larger and heavier than...

shrimp (Decapoda: Caridea) and their evolutionary consequences for sexual dimorphism and reproductive biology. Rev Chil Hist Nat 76:187–203 Thiel M, Baeza...

researching sexual dimorphisms in the brain significantly more. Until recent decades, scientists knew of several structural sexual dimorphisms of the brain...

wren and the bushwren; the New Zealand rock wren shows slight sexual dimorphism in its plumage and differences between the plumage of riflemen are pronounced...

competition, stabilization by grasping tree trunks during high browsing, sexual dimorphism, or gripping mates during mating given the lack of more specimens. He...

south to South Africa African hoopoe. Most distinctive subspecies with higher degree of sexual dimorphism. Greyish foreneck, and differing wing pattern...

supposed by some paleontologists. Additionally, with the significant sexual dimorphism known to have existed in early hominins, the difference between Ardipithecus...

convincingly to be the woman contestant. Given the status of human sexual dimorphism as one of the most ancient of subjects, it is thus implicit in the above...

Betta antoni is a species of gourami endemic to the Sanggau area in the Kapuas region. The species name antoni is named after Irwan Anton "in recognition...

this genus are sexual dichromatism in fur colour and pattern, sexual dimorphism, small and internally furry ears, vertically slit pupils, and a protruding...

communication of facial expressions, and/or emphasis of the lips' slight sexual dimorphism as a secondary sex characteristic. As an organ of the body, the lip can...

1139/Z04-047. hdl:11250/2438047. Rosell, F.; Thomsen, L. R. (2006). "Sexual dimorphism in territorial scent marking by adult Eurasian beavers (Castor fiber)"...

comparatively small calcaneum and cuboid, possibly indicating sexual dimorphism. Amphicyon zhanxiangi The only Asian amphicyonid which definitely belongs...

are two size groups in C. romeri, which presumably represents sexual dimorphism. There is no size overlap between adults of C. romeri and C. hancocki...