DOSEN PROFIL LENGKAP

the rectrices of the tail. These feathers may vary widely in size – in fact, the upper tail tectrices of the male peafowl, rather than its rectrices, are...

presence of eumelanosomes in the preserved tail feathers. The paired central rectrices are dark, while the smaller feathers are non-iridescent, likely grey....

well-developed rectrices used in maneuvering. The central pair of these attach directly to the pygostyle, just as in Confuciusornis. The other rectrices of Ornithurae...

begin to shed before the rectrices. Generally, the upper tail covers begin to shed first. Certain birds lose some rectrices by the end of the third week...

gray catbirds from Bermuda, which have proportionally narrow and shorter rectrices and primary remiges, were described as subspecies bermudianus ("from Bermuda")...

refers to the conspicuous white tips on the central rectrices of the males. As the central rectrices are shorter than the outer, it appears as a large white...

cassowaries' feathers consist of a shaft and loose barbules. They do not have rectrices (tail feathers) or a preen gland. Cassowaries have small wings with five...

length of about 22 cm (8+3⁄4 in), although this includes their elongated rectrices. They are colourful, being mainly strongly iridescent golden and crimson...

orbital ring and a rounded (in cross-section) upper mandible. They have ten rectrices and only three toes (absent first digit, or hallux). The African piculet...

with S. n. latirostris. Extensive white edging on primary and tertial rectrices. S. n. latirostris Bolivia and northwest Argentina. Sometimes considered...

feathers (the boat-billed heron has only nine), 15–20 secondaries, and 12 rectrices (10 in the bitterns). The feathers of the herons are soft and the plumage...

fan of highly graduated rectrices. The tail has graduation similar to Chiappeavis and a pair of highly elongate central rectrices similar to the pintails...

sacs, tufts, crests, and long modified uppertail coverts (trains) and rectrices. Males are typically larger and heavier than females. Males play little...

Lish, J.W. (2006). "Thinking about feathers: adaptations of golden eagle rectrices". Journal of Raptor Research. 40 (1): 1–28. doi:10.3356/0892-1016(2006)40[1:TAFAOG]2...

escape from a predator. Most birds' tails end in long feathers called rectrices. These feathers are used as a rudder, helping the bird steer and maneuver...

streamertail. The name "streamertail" is a reference to the greatly elongated rectrices of the males. The genus Trochilus was introduced in 1758 by Swedish naturalist...

having a yellow beak even in juvenile birds, and possessing 14, not 12, rectrices. As in most Haliaeetus eagles, the tarsus and tail are relatively short...

have more rectrices (16 vs. 14); their outer rectrices are ≤ 9 mm wide with narrower and more distinct barring. As well, the outer rectrices of the Wilson's...

Juvenile bird at Samburu National Reserve in central Kenya – it has rufous-tawny chest plumage, and its outer rectrices lack the streamers of adult plumage....

and pointed, extending to or slightly beyond the rectrices, covering them almost entirely. The rectrices, on the other hand, grow rounded at the tips and...

blue-green eyespots with a buff border on its upperwings, back, and on the 22 rectrices, a white throat running down to the center of the breast, and a loose...

and tail. Wing coverts are gray, but the primaries, secondaries, and rectrices show a darker gray. Juveniles are similar to the adults, but they show...

feathers of both sexes becomes completely white, except for the black outer rectrices. Their wing feathers remain white all year round. Immature birds resemble...

distinctive appearance in flight. The black central rectrices and typical white lateral rectrices are also noticeable in flight. The iris is usually a...

and all have fine black-and-white speckles, except on the remiges and rectrices (main wing feathers), which are light brown with darker bands. The heart-shaped...

blue-throated goldentail are green, and more coppery or golden on the rectrices. The throat is glittering blue-violet to violet, the belly is cream-brown...

ten days of age they still lack rectrices and show small or no development of secondary remiges (see Figure 3C). Rectrices do not appear until at least eight...

membrane. The wings were large and the tail was moderate with pointed rectrices. The nearest relatives might have been from the genus Loxops. The ʻula-ʻai-hawane...

bill, the size of its claws and the colour of its underwing and outer rectrices. Its song has also been described as "distinctly different" from that...

tails are raised upwards and forwards onto their backs like a turkey, the rectrices being held vertically and their undertail coverts fluffed out. They enhance...

by adaptive radiation. All true finches have 9 primary remiges and 12 rectrices. The basic plumage colour is brownish, sometimes greenish; many have considerable...

called Vietnamese pheasant, is found with a variable number of white rectrices. This difference in the two forms may be due to inbreeding of a restricted...

short, rounded and much incurved, showing a bird of weak flight. The rectrices are very broad, the shafts stiff, and towards the tip divested of barbs...

reported to be a challenge in field identification. All bodily plumage and rectrices are replaced in the post-juvenile molt. This moult commences in September...

to southern Peru. They have a straight black bill, contrasting outer rectrices, and a distinctive habit of quickly lifting both wings up shortly after...

nesting. The black grouse, along with the Caucasian grouse, has long outer rectrices (tail feathers) that curl outward and arranged in a way it resembles the...

white eye-ring; longer toes, wing and tail, and the pointed shape of the rectrices (part of the tail). A 2015 DNA analysis indicates the species is more...

preserve long, pennaceous feathers on the hands and arms (remiges) and tail (rectrices), as well as shorter, down-like feathers covering the body. Other fossils...

The expanded tail reveals the greyish brown central, and rufous lateral rectrices....

uppertail- and wing-coverts. The flanks are white, the inner rectrices black, and the outer rectrices white with black tips. Juveniles are dark except for a...

completely, and is only used for flight feathers on the wing and for rectrices (feathers of the tail). It also can not be applied on blood feathers (developing...

remiges are blackish, as are the entire underwing and the white-tipped rectrices, while the upper- and undertail coverts are white. A thin white stripe...

and off-white. Its twelve rectrices are barred, alternating between brownish-black and pale gray-brown. The outer rectrices are white tipped. When flying...

than the nominate, and has an all-black tail, rather than white outer rectrices. White-crowned shamas are bred by local aviculturists in Borneo as cage-birds...

was "the clade stemming from the first panavian with ... remiges and rectrices, that is, enlarged, stiff-shafted, closed-vaned (= barbules bearing hooked...

on the breast. Undertail coverts white tinged with blue. Thighs gray. Rectrices and remiges dark blue, the larger feathers duller. Bill heavy, tip strongly...

underparts are white with some olive vermiculations on the flanks, and the rectrices and tail coverts are black. Adult females (hens) have a white band at...

They have longish legs and appear tailless, with (seemingly) only 8 rectrices. Their simple songs are fairly loud, and their nests are typically ball-shaped...

approximately 6.3–7.5 inches (16–19 cm) long, but 12.2 inches (31 cm) if central rectrices of adult males included. Females weigh about 0.08–0.13 pounds (36–59 g)...

is larger in size and has darker and more prominent black bands on its rectrices. The little known subspecies mui is found in eastern Timor, and has distinctive...

As most other hermits, it has a long decurved bill, elongated central rectrices with whitish tips and a blackish mask bordered by a whitish-buff malar...

fluttering close to the ground, and supporting their weight on their rectrices. Eared pheasant flight was often described as poor by the hunter collectors...

spotted or barred in buffy to golden yellow. The shafts of the remiges and rectrices are yellow to golden yellow. The underpart plumage is spotted black to...

the Université de Montréal and Université Laval use the term (recteur or rectrice in French) to designate the head of the institution. As in most Commonwealth...

Dicruridae, but it differs from others in that family in having twelve rectrices instead of ten. Molecular analysis also supports moving the species out...

indicated by its sexually dimorphic coloration and possession of more than 14 rectrices, traits it shares with the other advanced phasianids. However, among these...

first four primaries, as well as a white band on the first and fourth rectrices. The female does not possess the white mark on the tail. The face of the...

and all have fine black-and-white speckles except on the remiges and rectrices (main wing feathers), which are light brown with darker bands. The heart-shaped...

scapular feathers and wings were metallic blue. The bases of the outer rectrices were partially blackish blue. The tail feathers and tail coverts were...

the type specimen of Yixianornis (IVPP 13631) preserves eight elongated rectrices (tail feathers) in a modern arrangement. No earlier pygostylians are known...

abdomen, and undertail coverts were olive yellow. The mid-rectrices were olive brown and outer rectrices grey. The irises were orange red in adults and brown...

Tail barring is complete, unlike the common cuckoo which has the outer rectrices incompletely barred....

half of the tail. The rest of the tail bore pennaceous tail feathers (rectrices). Long feathers on the head (crown) may have formed a crest. While the...

breast. The head and shoulders are mostly pale greyish-yellowish. The rectrices and the secondary and tertiary remiges are pure grey, the latter contrasting...

Students by university and by sector of study] (in French), Le Conseil des rectrices et recteurs, Note: Situation provisoire fin février 2024. Les données...

are somewhat duller, most notably on the head. In all, the remiges and rectrices are blackish olive with yellow edges, sometimes appearing as an indistinct...

conspicuously, as in the smaller shearwaters of Puffinus sensu stricto. The rectrices are blackish and the tail is wedge-shaped; the bill and irises are dark...

(in French). Retrieved 21 March 2026. "Municipales à Paris. L'ancienne rectrice de Normandie, victime collatérale du soutien d'Hervé". caen.maville.com...

duller female is greenish-brown overall. Both sexes have elongated central rectrices. Juvenile males resemble the adult female, but gradually develop first...

white-tipped tail with a blue subterminal band and a pair of blue-green rectrices. Juveniles are similar to adult females. This species is restricted to...

fusion of the last caudal vertebrae), which is known to support large rectrices. The taxon is classified as an oviraptorid, a group of very bird-like...

upperparts; the upper side of its tail is bluish-green, with black tips to the rectrices. His face and throat are blackish, with an orange-red orbital ring and...

coverts are a dull brown gray. The rectrices can also be a blue black or a blueish green, and the outer rectrices are tipped with pale gray. Similar to...

and lightens to maroon towards the rump, and its breast is white. The rectrices are black with a dark purple luster. Young roadrunners resemble adults...

along with a small and compact head. It has a short, forked tail, blunt rectrices, and small coverts. In contrast with its head and torso, the Nyanza swift's...

adaptations. The tail is covered proximally by filaments and distally by fine rectrices. Symmetrical, barbule-free remiges are attached along the forelimbs and...

breast and ventral regions are a velvety black. The flight feathers (rectrices) are wide, flat, and rigid; velvety black on the inner edges and an iridescent...

grayish white (not buff-brown); tail-bars not fully creamy yellow, central rectrices having white inner webs almost to base; chin pure white. Blakiston's fish...

The plumage is glossy black with a purplish sheen overall, though the rectrices and primary and secondary coverts have a greenish sheen and the remiges...

has a plain olive/green-brown back and yellow underparts. Their outer rectrices have whitish vanes. Males have distinctive black hoods which surround...

feathers on the neck. The remiges, or flight feathers of the wing, and rectrices, or flight feathers of the tail, are the most important feathers for flight...

secondary flight feathers in a given specimen. Flight feathers (remiges and rectrices) are specialized types of pennaceous feathers, adapted for high loadings...

dull black plumage, pale yellow face and the 3-4 black bars found on the rectrices. When observing flight from a distance, it is notable that Daptrius ater...

has a gray subterminal band with a white tip. The color of the outer rectrices vary based on the subspecies. T. v. variegatum has distinctive yellow...

have less wide tips, and wider tips of the speculum feathers. The duck's rectrices have yellowish-white tips; the midbelly is whitish with some dark streaking...

arrow-shaped spots and complex barring patterns, and has maroon outer rectrices. The juvenile male is dark blue with brown and yellow patterns on its...

with the brightest shade on the remiges and uppertail coverts. Their rectrices are a dark violet-blue. As the body feathers wear they become browner...

greenish while the outer feathers are rufous with greenish bars. The outer rectrices are barred black and white. The breast is whitish with bronze-green bars...

their bright yellow underparts and big white patches in the tail (outer rectrices) and on the wings (the base of the primaries). They range from having...

splotches. The wings exhibited a bluish hue with white wingbars. The rectrices were blackish. The crissum (the undertail covert which surrounded the...

pale-gray color. The primaries and secondaries are grayish brown. The rectrices are of a darker gray brown that contrasts with the plumage. Lores and...

scapulars and belly, and they lack the distinctive long tail feathers. Their rectrices are typically rounder and narrower, and have more black on their wing-tips...

shading to golden in adulthood. Juveniles are lacking in pale tips, rectrices, abdominal feathers are unkempt and upper parts and chest are washed rufously...

some its distribution with the long-billed, is smaller, grayer, and its rectrices are of a more distinguished white color. This species is a resident in...

otherwise unpatterned, except for a wide black tail-end band; the ends of the rectrices are white. The basic color of Ice pigeons is a pale grey. They appear...

patterned in black and white, with a long supercilium. The remiges and rectrices are black. The females, immatures and non-breeding males resemble washed-out...

primaries are on the outerwebs only, but darker and more noticeable. The rectrices are brown with 18 to 20 bars that span across the tail. The white supercilious...

soft blue, and the wings and tail are a soft grey, aside from the outer rectrices which are white. The beak, legs, and feet are a soft yellow tinged with...

too poor. The tails of several specimens preserve a fan of feathers (rectrices) at the tip, shorter than those on the forelimbs. The feather fan is similar...

usual sites where P. stylifer is encountered are in the remiges and the rectrices of the bird where they can be found randomly positioned between the barbs...

their upperparts, secondaries, and rectrices, unlike Pitcairn reed warblers (primaries, secondaries, and rectrices) and Rimatara reed warblers (across...

Z. and Lianhai, H. (2007), A New Enantiornitine Bird with Four Long Rectrices from the Early Cretaceous of Northern Hebei, China. Acta Geologica Sinica...

uppertail coverts and undertail coverts are nearly as long as the tail rectrices. The Inaccessible Island rail has a low basal metabolic rate (BMR), measured...

time without moving on a horizontal perch. It often flicks its outer rectrices to the side "in scissor-like fashion". In Nigeria, a bird was seen in...

Although they are parrots with rectrices of medium length, their pinion feathers reach down almost to the end of the rectrices, making their wings appear...

is long, graduated and fan-shaped when spread, with a rounded tip and rectrices that have a black subterminal band and white tips. The eye is dull red...

warbler is unusual among passerine birds in having ten tail feathers (rectrices) rather than the usual twelve. Cetti's warblers signal their presence...

a ground-based launching mechanism, as well as due to the absence of rectrices in many species. However, several studies have shown that they were efficient...

and are black below. The underparts are pale bluish-grey. The outermost rectrices (tail feathers) are greyish-white with black bases and black stripes near...

streaked with darker brown above. Supercilium, double wingbar and outer rectrices whitish. Whitish to buff below streaked with dark brown on breast and...

January 1984. Their tail feathers had unusual wear. The shafts of all 14 rectrices had snapped off about 5 mm from the tip, creating a V at the tip of each...

short, white feathers and long, darker feathers on the edges, called rectrices, that are used for greater balance and steering while in flight. The white-tailed...

entirely iridescent blue-black, excepting a white patch on the outermost rectrices. Male satin berrypeckers can be told apart from all other berrypeckers...

centimetres (10 in). It has a stout black bill, black and white remiges and rectrices, and a slash of rosy-pink on each wing. The female is more dull in color...

wings are greyish-blue, extending most of the way down the tail. The rectrices and tail tip are white. It has several calls, the most common being described...

the 'white-tipped' descriptive name. These broad, white backed outer rectrices occupy about a third of their length. The male has elongated feathers...

levator caudae which control movement of the tail and the spreading of rectrices, giving the tail a larger surface area which helps keep the bird in the...

feathers are brown with a black bar and white spot on the tip of all the rectrices, except the central pairs, which are completely dark. Both sexes are monomorphic...

slaty blue. Flanks, sides of rump, and underwing-coverts are bluish gray. Rectrices are dark gray basally, light brownish gray on the terminal half. Neck...

throat, as well as a black tail. Wings are black, but the remiges and rectrices (flight feathers) are fringed with white. The secondary coverts form yellow...

covering their body, except for the tips of the primary feathers and rectrices, which are white. The male's tail feathers are often stained a chestnut...

largest race with most white in the wing, and sometimes white-tipped rectrices BirdLife International (2016). "Laniarius bicolor". IUCN Red List of Threatened...

black back and long black tail. Wings are black, but the remiges and rectrices (flight feathers) are fringed with white. These form a single white wing...

can reach a length of 16 centimetres (6.3 in) (21 cm including central rectrices) and a weight of 53–67 g., while females can reach a length of 16 cm,...

composed of a central rachis and vanes. However, unlike in modern-style rectrices (tail feathers), the vanes were not branched into individual filaments...

short cone-shaped bills, streaked backs, and dark tails with white outer rectrices. In breeding state plumage (mostly formed by worn basic plumage), the...

Both sexes look alike. Juvenile birds look like adults, except that the rectrices of the tail and remiges of the wing are tinged with brown. In 1990 scientists...

under tail-coverts, base and sides of tail which are white; central rectrices and terminal band of tail black. Female has black parts replaced by sooty...

Their primaries and rectrices are dark steel blue with a greenish tinge on the outer primaries and a violet tinge on the central rectrices. The sides of their...

legs. Its wings are carried upon the tail, which has a minimum of 12 rectrices and an oil duct. Colors: The feathers of the head, breast, neck and feet...

patch extending onto the flanks. They have a short square tail, with all rectrices round-tipped. The flight is fluttering like that of a house martin, and...

manakins share some common traits: a forking tail at the very end of their rectrices, a slightly elongated forehead, brownish black legs, and bright yellow-orange...

spread open. Additionally, the tail has a broad yellow tip, and the outer rectrices are dark purplish-blue at the base. The remaining plumage is green, while...

spotted or barred in buffy to golden yellow. The shafts of the remiges and rectrices are yellow to golden yellow. The underpart plumage is spotted black to...

the inner webs, and thin yellowish olive edges on the outer webs. Their rectrices are mostly brownish with thin yellowish olive edges on the outer webs...

speculum (green in males and brown in females) and the longer central rectrices in males. Juveniles are similar to adults in plumage, but more streaked...

Oreophilias was a more basal taxon thena Prinia because of the lower number of rectrices. Roberts's warbler belongs to the family Cisticolidae, which includes...

14) rectrices, or tail feathers. However, the number of rectrices in the ducks is variable, with many mainland pintails also having 16 rectrices and a...

rectrices are pale brownish gray with a serrated dark central strip that spreads out into a suggestion of faint crossbars. The lateral two rectrices are...

possesses a green mantle around the shoulders and violet wing coverts and rectrices. The white-crested turaco is native to Nigeria, Cameroon, Chad, Central...

beneath the flight feathers of the wings as well as above and below the rectrices of the tail. These feathers may vary widely in size. For example, the...

lapponicus) but that species is much shorter-tailed with white outer rectrices, has rich rufous in greater coverts, and is strictly terrestrial on open...

function as a flight feather. As the feather bears little resemblance to the rectrices (tail feathers) of the other full Archaeopteryx skeletons, it is generally...

streaking on the head. The bold supercilium and the chin are also white. The rectrices are brown with white tips and white triangular markings on the outer webs...

inhabit all but the body feathers (primaries, secondaries, tertials, rectrices and wing coverts), while the Picobinae specialize in infecting the body...

description of the bird's tail, as the shafts of all ten tail feathers (rectrices) end in sharp, protruding points. The specific name pelagica is derived...

The tail molt starts at the outside and progresses inward, with the old rectrices being shed in alternating pairs. The Andean guan is affected by habitat...

dusky. The neck-side has a relatively faint blue patch. The tips of the rectrices (tail feathers) are white, and there is a naked stripe on top of the head...

streaks, while the back is buff, heavily streaked and barred with black. Rectrices are black in males and brown in females; the slate-grey remiges create...

face-bands, and pale grey undertail coverts. Both sexes have rounder-tipped rectrices and tend to be smaller than the nominate. The Namaqua dove is a tiny pigeon...

grayish or grayish-blue breast collar. Thighs smoky gray. Remiges and rectrices dark dull blue. Large, with very long wings. Heavy, slightly hooked bill...

of just six feathers which are very narrow and filament-like: so few rectrices are elsewhere seen only in the emu-wrens of Australia. The two central...

secondaries. The tail is also glossy black and has white tips on all the rectrices. The vents and undertail coverts are completely white. The bill is relatively...

similar to the chest. The tail elongates towards the central pair of rectrices; the two or three central pairs are ochre, while the outer five pairs...

allies). But in fact, it is a true bittern, having like these only 10 rectrices (other Ardeidae have 12) and being unequivocally placed in the bittern...

edges of the tail. The fossil does not include pennaceous remiges and rectrices, as in Zhenyuanlong. A bluish layer preserved in the Daurlong specimen...

feature is variable among other kinds of swamphen. The softness of the rectrices (tail feathers) and the lengths of the secondary and wing covert feathers...

only partially fused. Paraprotopteryx has four, ten centimetres long, rectrices (flight feathers on the tail), more than doubling the total body length...

Their crown is a gray-brown color, spotted with very small white dots. Rectrices and remidges are both dark brown with three irregular bars of large white...

distinctive. Females of the two species are more difficult to distinguish. The rectrices of the Bornean species are morphologically and patterned intermediate...

lesser covert feathers are moulted before those of the crown, remiges, and rectrices. Immature red wattlebirds are generally less flamboyant. Juveniles have...

bird's back is a deep violet purple. Wing and tail flight feathers - rectrices and remiges - are between red and red-violet. The wing covert feathers...

body, and which resembles a letter 'M' or 'W' when flying. The central rectrices of the tail are pale grey, while the rest of the tail feathers are white...

they did not move on the ground. The long feathers of the tail (central rectrices) of confuciusornithids are of disputed function. Sexual dimorphism is...

upper neck, mantle and scapulars black, chin to rear-flank level black, rectrices without brighter fringes, female indigo below breast; I.c. melanochlamys...

of all subspecies have a black tail with broad white tips to the outer rectrices, white crissum (the undertail coverts surrounding the cloaca), blackish...

were long, with symmetrical vanes. There were at least 10 tail feathers (rectrices), more than in other primitive fan-tailed birds. The overall shape of...

syndactyl feet (3rd and 4th digits fused). They have 10 primaries and 12 rectrices like others of their family. The sexes are similar in appearance, but...

cream, apart from the black flight feathers (remiges), part of the tail (rectrices) and spots on the undertail coverts. The head can be brown, soiled by...

have pronounced sexual dimorphism. Only the male has elongated outer rectrices (tail feathers) that have bare shafts with terminal flags. On both the...

olive edges on rectrices, and whiter underparts than nominate V. h. unitti: dusky olive back, grayish wing bars, olive edges on rectrices, and olive-gray...

streaked blackish. The long graduated tail is a duller brown, with the rectrices darker. On the underparts, the chin, throat, breast and abdomen are whitish...

northern red-tails on the back, lacks the white tip at the end of the rectrices and, most characteristically, has a very broad, but raggedly edged, black...

kingfisher possesses 10 primary wings, 15 secondaries, three tertials, and 12 rectrices. They are rounded, and the tail is squared. Subspecies can be found in...

(often lacking); tail chestnut-brown, tipped buffish, outermost pair of rectrices light brown; throat and undertail brownish-grey; iris dark brown; bill...

Laval website Sophie D'Amours élue rectrice de l'Université Laval in impactcampus.ca Sophie D'Amours élue rectrice de l’Université Laval in lefil.ulaval...

coverts and down. The end of the tail is destroyed in the holotype; no rectrices are preserved and while the pygostyle is complete in other skeletons,...

"Barnes's astrapia". This form of astrapia has extremely long central rectrices that have variable amounts of black and white, and are sometimes seen...

frequently compared to a tit is the long "thorn"-tail with twelve spiny rectrices, which gradually develops in juveniles as they mature. This thorn-tail...

were not closely related. The tail plumage of Sapeornis consisted of rectrices that formed a graded, fan-like structure. The reduced fingers suggest...

adult L. c. collaris juvenile with barred scapular feathers and pointed rectrices BirdLife International (2016). "Lanius collaris". IUCN Red List of Threatened...

tail is rather long, with a rounded or wedge-shaped tip. It has twelve rectrices, which are black in colour. The tail tip and outer wing feathers are white...

undertail-coverts are coloured with green and yellow streaks, while the central rectrices are dark purple. The legs are purplish-grey and the beak is yellow-tipped...

of the migratory species in Meropidae. The tail has twelve rectrices, the outer rectrices are washed with rufous and the center feathers are green. The...

Submoustachial stripe Supercilium Supraloral Parts of the tail include: Rectrices Tail corner Terminal band Subterminal band Throat Undertail coverts Upper...

have concealed dark brown bases, while those of the mantle, back, tail rectrices and tail coverts have dark brown shaft bases. The two long tail feathers...

serrations line the mandibles. The primaries, secondaries, humerals and rectrices are brown-black. The inner webs of the secondaries are white at the base...

Cotoneaster. In handling mousebirds the tail should be avoided, as the long rectrices come out so easily as to suggest that it is a sacrificial defence mechanism...

malar line around sides of throat; tail greatly attenuated with tapered rectrices, the center pair of which extend > 5mm beyond the adjacent pair; no sexual...

hue. The upper parts are mostly a darker fawn-brown, with the central rectrices and the primary remiges a little darker still; the head is coloured like...

buff breast, white flanks and abdomen, lighter brown wings, green-edged rectrices, and yellow-green bare skin around the eyes. The range of the black-chinned...

secondaries are grayish-brown with warm rufous-brown outer webs. The rectrices are also have a warm brown color. The lores and ear-coverts are a mottled...

fossil does not show signs of the presence of complex vaned feathers (rectrices), and the lower tarsals and feet appear to have been featherless, unlike...

non-vocal roar created by diving birds driving fast moving air across the rectrices of the tail. This display is thought to be the origin of the Māori legends...

black/brown and green. Their tail's central rectrices are a soft bronze and their wide, blunt ended outer rectrices are nearly white. On their anterior, they...

crown, wings and tail. The tail is graduated, with basally stiffened rectrices, pointed at tips. Breast and belly are very pale buff-brown; the feathers...

wash on the underparts and rump and a broader white tip to the outer rectrices. Breeding was recorded in September, with eggs in December and February...

median coverts. The wing coverts are gray to brownish-gray, while the rectrices are largely brownish-gray with white outer retrices. There is a prominent...

including larger size, rich tawny-rufous flanks, white tipping on all rectrices, and duskier grey-brown upper dorsum. Schodde and Mason also note that...

by the lack of citrine edging on the upper surface of the remiges and rectrices, pale creamy-buff under-wing coverts, and a milky-white belly. The Kimberley...

least-concern species. A pair (male at left) Male, revealing the yellow remige and rectrice shafts typical of genus Female foraging on the ground Male foraging on...

nearly completely dark heads, and very heavily streaked ventral markings. Rectrices are usually unbarred. Feet and cere color varies from light blue to light...

inner primaries white, while the secondary coverts are dark grey. The rectrices are pale grey-brown in the middle and white elsewhere. The species shows...

and secondaries are blackish gray with wide yellow-green edges. Their rectrices are blackish gray with wide greenish yellow edges on the outer webs. Their...

feathers can be broken down into wing and tail feathers, remiges and rectrices respectively. The wing feathers can in turn be broken down into further...

tips. The striking colour contrast in the feathers of the remiges and rectrices is one of the species' most distinctive traits, along with its pink bill...

rectrices (long tail feathers) were present; the middle two were the longest (ca. 74 mm), and the outermost the shortest (ca. 56 mm). The rectrices were...

bronzy-green; underparts light grey; tail blackish, rounded, four outer rectrices broadly tipped whitish grey. The subspecies can be distinguished by the...

enantiornithine; presumably related and similar to Protopteryx. Preserves 4 long rectrices; 2 of which may be the result of artifice. Previously reported from the...

present based on its pygostyle, the anchor point of long tail feathers (rectrices) in modern birds. Similicaudipteryx was by its describers assigned to...

nape, auriculars, dorsum, tertials, wing covers, rump, upper-tail, and rectrices are bright green. The forehead, anterior crown, and ores are a pale blue...

the feathering, an enlarged auditory bulla (tympanic chambers) and ten rectrices. The striated grasswren is a slim, long-tailed grasswren with a slender...

the wings when they are closed. The tail is dark with the tips of the rectrices being white, forming a white band on the side of the tail, noticeable...

stretch nests. Long-tailed tit nests become cramped, deforming the female's rectrices. Woodpecker chicks in cavities stack vertically to conserve space and...

birds, the breast and underparts have a light yellowish-brown tinge. The rectrices (outer tail feathers) have a pale grey band across their base, widest...

some regions. The tail is black, long, and pointed at the tip; the outer rectrices have white outer vanes. The underparts are white, slightly tinged with...

pella by their shorter beaks, longer wings, longer tail, and thinner rectrices. Topaz hummingbirds as a group are endemic to the Amazonian rainforest...

curved grey-black wings; cordate [notched] tail with wide and rounded rectrices, black-blue, the 4 middle ones ashy at their ends; bare black legs." The...

pallidus is pale brown above and has brown rather than black central rectrices. Usually found in pairs, they have a loud whistling song made of several...

are outlined by yellow-green on the outer two primaries and dark brown rectrices with yellow-green margins except for the outermost feathers. They possess...

birds can be identified in the hand by retained juvenile remiges and rectrices, which are more brownish. Yellow-throated miners are distinctive from...

averages to 57.11 ± 1.85mm in males and 55.67 ± 1.68mm in females. The tail (rectrices) averages between  43.38 ± 4.10mm for the males and  41.93 ± 3.05mm for...

feathers 5 days or so after hatching, starting with the remiges; the rectrices begin to emerge about 3 days later. The young are fed 1-2 times per hour...

both sexes is black except for white on the basal half of the outer four rectrices, and part of the underside. The female is slightly lighter green overall...

plumage is white with black flight feathers on the wings, and central rectrices of the tail. Some individuals have more extensive black plumage of their...

with the wings and central tail feathers being a glossy blue-black. The rectrices are patterned with grey, and the outer three tail feathers have a somewhat...

bars. Their remiges are blackish gray with pale olive gray edges. Their rectrices are blackish gray with wide white edges on the outermost pair. Their underparts...

grams (2.1–2.5 oz). The male is dull white above and white below. The rectrices, the primary and secondary remiges and a cap extending to below the eyes...

this gives the species its prominent black "shoulders". The central rectrices of the tail are pale grey, while the rest of the tail feathers are white...

hard to distinguish from its relatives at first glance. The upperparts, rectrices and undertail coverts are blackish-brown, as are at least the distal undersides...

have pronounced sexual dimorphism. Only the male has elongated outer rectrices (tail feathers) that have bare shafts with terminal flags. On the Peruvian...

dark brown with thin yellow-green or white edges. Their central pair of rectrices are olive and the rest dark brown; the outer three pairs have pale dingy...

upperwing coverts, and a very short tail, sporting some white-tipped rectrices and a rufuous rump. The species is sexually dimorphic, and individuals...

coverts; smaller on the underside of the wing. Ten primaries, twelve rectrices. Central tail feathers sooty brown with rusty tips; outer ones rusty with...

paddle-shaped wings, a squarer tail, with clearer bars on remiges and rectrices and bare tarsi. Another kite, the gray-headed kite (Leptodon cayanensis)...

white eyes, a grey bill and yellowish feet. The short tail has twelve rectrices and the wings are short with round tips. The length ranges from 17 to...

only have a partial moult, in which they replace a variable number of rectrices. The bird is large as compared with other members of the genus Sitta,...

have pronounced sexual dimorphism. Only the male has elongated outer rectrices (tail feathers). These tail feathers have bare shafts with long terminal...

inner primaries are fringed in grey-blue. The central rectrices are grey-blue, and the outer rectrices are a blackish-grey, paling towards the tips. The face...

wings are overall short. The tail is short and graduated, with black rectrices outlined in white. Its closest relative, Todd's antwren (H. stictocephalus)...

olive green. Their tail is very short. Their flight feathers (remiges and rectrices) are slate black with olive green to yellowish edges. Their throat is...

and pink legs. Both sexes also have white lines on their wing and the rectrices of their tail, thought to mimic the long white spines of the whistling...

are somewhat duller, most notably on the head. In all, the remiges and rectrices are blackish olive with yellow edges, sometimes appearing as an indistinct...

edges toward the end; the wings appear mostly blue when folded. Their rectrices are blackish with wide blue edges and like the wings, the tail appears...

crown, without any superciliary stripe. In addition the tertials and rectrices are mouse-brown in colour. The male displays by fripping the wings in...

pygostyle attaches to tail muscles which control the advanced pennaceous rectrices of their fan-shaped tails. However, its presence in IVPP 21711, which...

short, wholly black, variegated with broken white bands. Remiges short. Rectrices extremely short, black spotted with white, hardly to be distinguished...

secondaries) are black and lose their glossiness with wear. Her tail feathers (rectrices) have a detailed pattern: the center two feathers are the same metallic...

Education in Mauritius "ST ANDREW'S SCHOOL: Floriane Laventure promue rectrice dès le 1er décembre | Le Mauricien". www.lemauricien.com (in French). Retrieved...

each side of the rump. The dark bars on the basal half of the central rectrices are generally broad. The lesser and median wing-coverts are lavender-grey...

is blackish-brown with yellow fringes to all but the central pair of rectrices. The wings are blackish-brown. The female has a yellowish or brownish...

secondaries are barred with black and light brown. The top side of their rectrices are black with orange or red shafts and the bottoms orange- or salmon-pink...

threat. Pied babbler adults have a white head and body with dark brown rectrices and remiges. In flight Pied babbler fledglings form short-term associations...

upper tail coverts a paler, brighter green. The central tail feathers (rectrices) are dull olive while the outer feathers are dusky, edged with olive....

coloration. The tail structure is highly specialized, with the outer rectrices being longer, stiffer, and more sharply pointed than the central tail...

d'Etat ratifie l'élection de la Professeure Astrid Epiney en tant que Rectrice de l'Université de Fribourg". www.fr.ch. Archived from the original on...

upperparts are dark blue at the mantle or purplish in some subspecies. The rectrices are pale blue in the middle with a black border and contrast sharply with...

Dorsal view of mangrove robin showing white in outer rectrices...

throat. The tail has 15 to 20 dark brown bars marking it, while the outer rectrices are sky blue; this sky blue is also present on the wing-coverts. In flight...

overall greyish white, are more or less shaded with buff. The outer rectrices are black with white spots and grey tips. The birds undergo a complete...

feathers on the upper leg are pale yellow tinged with blue. The central rectrices of the long tail are dark green changing to dark blue at the tips, while...

coverts and uppertail are dark brown, while the proximal side of the outer rectrices is blackish. Subadult males have buff-yellow upperparts. The head to the...

greater wing-coverts with pale pink or pale brown tips; tail dark brown, rectrices narrowly edged pink; chin and throat to neck-side dull pinkish maroon...

marked with a short, light red wing bar. The tail is rounded, with rigid rectrices with shortened barbs ending in small spines up to 9 mm (0.35 in) long...

frequently cocked tail, grey upperparts and whitish underparts. The central rectrices are black, while the outer are white (consequently, the tail appears primarily...

dark reddish-brown and the tail is black with red edges on the outer rectrices. Rock firefinches have broad primaries and average wing length of 54 mm...

the underside of the flight feathers are light grey. The tail feathers (rectrices) are mostly black above (but may appear brown in some lighting) with nearly...

color. The wing coverts are dull gray brown, edged with olive green. The rectrices are green-gray in color, and have bright green edges. The undertail is...

secondaries are gray-brown with grayish green edges on the outer webs. Their rectrices are gray-brown with greenish edges on the outer webs. Their upper breast...

white-tailed nuthatch, however, has a white spot on the top of the middle rectrices, and has more orange underparts, without brick-red flanks or white spots...

high tail / wing ratio, a convolute inner edge of the tarsus, and 12 rectrices. It is evidently most closely related to the brown-banded antpitta, G...

are a bright glossy turquoise-blue. The rump and the basal parts of the rectrices are white and the underwings are black. The two central tail feathers...

députés fédéraux" (in French). BX1. 16 July 2024. "Isabelle Hachez sera la rectrice de l'Université Saint-Louis à partir de la rentrée 2024". L'Avenir (in...

The tail and wing feathers also wear out, but the blue-grey tips of the rectrices persist at least until May. The underparts become duller and dirtier,...

bright yellow. The sides of the breast have a green tinge. The remiges, rectrices, alula, medium, greater and primary coverts are a dark grey colour with...

Université du Québec à Montréal. Retrieved 30 April 2020. "Biographie de la rectrice". Université du Québec à Montréal. Université du Québec à Montréal. Retrieved...

signaling function as the birds sometimes prominently display them. The rectrices (primary feathers of the tail) are black with a square-shaped end. The...

tail is blackish-grey with a yellowish-brown wash on the edges of the rectrices. The eye-ring is narrow and light grey and the iris is pale grey. The...

average and the tail is about 40 mm (1.6 in) long with between 8 and 12 rectrices. The forehead, lores, crown, mantle, and scapular area are a neutral grey...

octobre 2018 portant nomination de la rectrice de l'académie de Versailles – Mme AVENEL (Charline) La rectrice de Versailles rejoint un groupe privé d’enseignement...

2016, pages 6-7. (in French) « Le Conseil d'État a désigné la nouvelle rectrice de l'Université de Lausanne », press release of the Council of State of...

Retrieved 2026-01-24. "Décret du 28 septembre 2012 portant nomination de la rectrice de l'académie de Lyon - Mme MOULIN-CIVIL (Françoise)". www.legifrance.gouv...

are green tending to olive, perhaps with a red margin. The central tail rectrices are blue and green, outer tail feathers are a similar blue with a white...

centers. The lower back and tail coverts in females are brown, and the rectrices are a more muted brownish grey. The contrast in plumage colors is particularly...

brown with indistinct dark bars, while the distal halves of the central rectrices have black edges. The underparts are dark gray, slightly lighter than...

X; Zhang, Z; Hou, L (2007). "A new enantiornithine bird with four long rectrices from the Early Cretaceous of northern Hebei, China". Acta Geologica Sinica...

gestion à l'UPN, Yvonne Ibebeke prend la place de Anastasie Masanga comme rectrice". Actualite.cd (in French). 26 August 2024. Retrieved 6 November 2024....

Zhang, Z.; Hou, L. (2007). "A new enantiornithine bird with four long rectrices from the Early Cretaceous of northern Hebei, China". Acta Geologica Sinica...

Machine Fabrice Bardèche Enseignement supérieur privé : Charline Avenel, la rectrice de Versailles, rejoint le groupe Ionis Les chiffres clés Key Data THE URBAN...

forehead and crown, and bright yellow underparts. The basal half of his rectrices are white, as are his underwing coverts; the latter results in a white...

wing chords of 43–50 mm, tail lengths of 44–51 mm, and slim central rectrices that are entirely black and lack the white edges seen in related taxa...

Zihui; Hou Lianhan (2007). "A New Enantiornitine Bird with Four Long Rectrices from the Early Cretaceous of Northern Hebei, China". Acta Geologica Sinica...

II Academy of Sciences and Technologies. "Canada : Une Marocaine nommée rectrice d'une université du Québec". 2012-01-23. Retrieved 2025-10-23. "Nadia Ghazzali"...