The pale-billed sicklebill (Drepanornis bruijnii) is a species of sicklebill that belongs to the family Paradisaeidae, which contains the birds-of-paradise...

The black-billed sicklebill (Drepanornis albertisi), also known as the buff-tailed sicklebill (leading to easy confusion with the hummingbird of the same...

to bill shape. Bills may be long and decurved, as in the sicklebills and riflebirds, or small and slim like the Astrapias. As with body size, bill size...

hornbill Pale-billed parrotbill Pale-billed scrubwren Pale-billed sicklebill Pale-billed woodpecker Pale-blue monarch Pale-breasted illadopsis Pale-breasted...

the closely related and larger black sicklebill. In areas where these two large sicklebills met, the brown sicklebill replaced the latter species in higher...

The black sicklebill (Epimachus fastosus) is a large member of the birds of paradise family, Paradisaeidae. This species is found throughout most of central...

Victoria's riflebird Epimachus Black sicklebill Brown sicklebill Drepanornis Black-billed sicklebill Pale-billed sicklebill Cicinnurus Magnificent bird-of-paradise...

their sexual dimorphism is less extreme. Black-billed sicklebill, Drepanornis albertisi. Pale-billed sicklebill, Drepanornis bruijnii. "Paradisaeidae". aviansystematics...

(13 in) long. Its overall colour is a maroon-brown, with a greyish-blue bill, yellow iris and greyish-brown feet. The male has a yellow crown, dark emerald-green...

The astrapian sicklebill, also known as the green-breasted riflebird, is a bird in the Paradisaeidae family that is believed to be an intergeneric hybrid...

is black and yellow with a dark brown iris, brownish-grey legs, a black bill with a bright aqua-green gape, and two remarkably long (up to 50 cm) scalloped...

33 cm long, brown and yellow with a dark brown iris, grey legs, and yellow bill. The male has an emerald green face, a pair of elongated black corkscrew-shaped...

birds-of-paradise (Lophorina species), and actually evolved after the Drepanornis sicklebills, making them one of their other closest relatives. It has two subspecies:...

Victoria's riflebird Epimachus Black sicklebill Brown sicklebill Drepanornis Black-billed sicklebill Pale-billed sicklebill Cicinnurus Magnificent bird-of-paradise...

unbarred maroon-brown plumage. In both sexes, the iris is yellow and the bill is blue. The greater bird-of-paradise is distributed to lowland and hill...

and mantle are olive-brown, with iridescent green tips, and violet legs. Bills are ivory-yellow. Females have dull olive heads and upperparts with yellowish...

Victoria's riflebird Epimachus Black sicklebill Brown sicklebill Drepanornis Black-billed sicklebill Pale-billed sicklebill Cicinnurus Magnificent bird-of-paradise...

crescents surrounding the eyes (in both sexes). They have a very crow-like bill that is whiteish to light greyish in colour. The back of the head has a reddish...

Racket-tailed roller, Buff-bellied mannikin, Orange-crested manakin, Pale-billed sicklebill, Waigeo brushturkey, Ashambu laughingthrush, Eastern violet-backed...

presumed by some ornithologists to be an intergeneric hybrid between a black sicklebill and Arfak astrapia. This assumption was made by the German ornithologist...

museum specimens. Some named hybrids and presumed hybrids are: Astrapian sicklebill (Astrapia nigra x Epimachus f. fastosus). Originally described as species...

hybridised with the black sicklebill creating offspring that were once considered a distinct species, Elliot's sicklebill "Epimachus ellioti". While...

(Pachycephala leucogastra), brown-headed crow (Corvus fuscicapillus), pale-billed sicklebill (Drepanornis bruijnii), and banded yellow robin (Gennaeodryas placens)...

Victoria's riflebird Epimachus Black sicklebill Brown sicklebill Drepanornis Black-billed sicklebill Pale-billed sicklebill Cicinnurus Magnificent bird-of-paradise...

and inwardly curving flank plumes; iris sulphur-yellow; bill black, mouth colour apparently pale green; legs blackish-grey. The female is smaller than the...

a darker reddish-brown on the face and below the chin. It has a pale grey-bluish bill, dark brown eyes, and a thin, white line that extends behind the...

velvet black and yellow bird-of-paradise. The male has a red iris, long black bill and rich yellow plumes along his flanks. From the rear of these plumes emerge...

average 86 to 112 g (3.0 to 3.9 oz). Both genders have a long, black, decurved bill, black legs, and dark brown iris. The species is sexually dimorphic, with...

triangle-shaped breast shield, and on central tail feathers. It has a black curved bill, yellow mouth, blackish feet and a dark brown iris. The female is brownish...

bird-of-paradise, Seleucidis melanoleuca Black-billed sicklebill, Drepanornis albertisi Pale-billed sicklebill, Drepanornis bruijnii Greater lophorina, Lophorina...