Description wikipedia

The swallow-tailed cotinga (Phibalura flavirostris) is a species of passerine bird in the family Cotingidae. It is found in Argentina, Brazil, and Paraguay. The swallow-tailed cotinga is about 18 to 20 cm (7.1 to 7.9 in) long and weighs about 43 to 60 g (1.5 to 2.1 oz). The sexes have different plumage though both have the eponymous long divided tail. Adult females have a mottled black and gray forehead, a pale gray to grayish brown crown with a usually concealed dull red streak in the middle. Their nape is blackish with broken white bars. Their upperparts are mostly dull olive with bright yellow forming a scaly appearance; their uppertail coverts are mostly olive-yellow with dark streaks. Their wings are mostly blackish brown with an olive green wash and feather edges. Their tail's upper side is blackish brown and its underside grayish; the feathers have yellow edges whose size decreases from the inner ones to the outer. Their lores are mottled gray and blackish and their ear coverts variably gray to blackish with a wide white stripe below them. Their throat is medium yellow with gray-brown spots. The rest of their underparts are blotchy white and yellow with brownish black to black tips on the feathers that form horizontal bars. Adult males are overall brighter and more boldly marked than females. Their crown is a dark navy blue with a mostly concealed crimson-red center. Their upperparts are yellowish to canary-yellow with navy blue barring. Their wings are deep bluish black with no olive wash. Their tail is black with less yellow than females' and its outer feathers are longer and more curved. Their lores and ear coverts are blackish blue and form a "mask". Their underparts are brighter yellow than females'. Both sexes have a deep red-brown iris with bare red skin surrounding the eye. Their bill is very short with a wide base and is pale straw-colored, pinkish white, or white. Their legs and feet are usually orange-yellow but may be ochre-yellow to bluish white.