Species

HBW Alive provides full accounts for every bird species known to science up to June 2013, including distribution maps and color illustrations. Check out these recently updated species or search the species you want.

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Horned Curassow (Pauxi unicornis)

Taxonomy:

Pauxi unicornis

J. Bond and Meyer de Schauensee, 1939, above Bolívar, near Palmar, Yungas de Cochabamba, Bolivia.

Has been considered a race of P. pauxi, and until very recently was treated as conspecific with P. koepckeae, but differs from latter in...

Descriptive notes: 85–95 cm; male c. 3850 g; female c. 3600 g. Large, virtually all-black cracid with white vent and tip to tail. Bright red bill and pale blue casque, which grows up to 6·3 cm. Legs normally pale red, but...
figure, drawing, illustration of Horned Curassow (Pauxi unicornis)

Black-and-yellow Broadbill (Eurylaimus ochromalus)

Taxonomy:

Eurylaimus ochromalus

Raffles, 1822, Singapore.

Birds from Banyak Is (off NW Sumatra) described as race mecistus and those from W Borneo (Saribas district of Sarawak) as kalamantan, but...

Descriptive notes: 13·5–15 cm, 31–39 g. A small, distinctive broadbill with black, white, pink and yellow plumage. Male has black head and upperparts, broad white collar, conspicuous bold yellow markings on back and wings; blackish tail...
figure, drawing, illustration of Black-and-yellow Broadbill (Eurylaimus ochromalus)

Gyrfalcon (Falco rusticolus)

Taxonomy:

Falco rusticolus

Linnaeus, 1758, Sweden.

Closest to F. cherrug; genetic data indicate that these two, along with F. biarmicus and F. jugger, form a group of closely...

Descriptive notes: 48–60 cm; male 769–1450 g, female 1130–2150 g; wingspan 105–135 cm. The largest Falco, with larger head, deeper chest, relatively short but broad outer wings and longer tail than other large falcons....
figure, drawing, illustration of Gyrfalcon (Falco rusticolus)

Ross's Gull (Rhodostethia rosea)

Taxonomy:

Larus roseus

W. MacGillivray, 1824, Melville Peninsula, Canada.

Resembles Hydrocoloeus minutus in size and plumage sequence, but with very different adult plumage; morphometric analysis suggests that it is an...

Descriptive notes: 29–32 cm; 120–250 g; wingspan 82–92 cm. Two-year gull. Dove-like or tern-like, with a buoyant tern-like flight, and unique combination of wedge-shaped tail (not always apparent), grey underwing and black nuchal collar...
figure, drawing, illustration of Ross's Gull (Rhodostethia rosea)

White-eyed Parakeet (Psittacara leucophthalmus)

Taxonomy:

Psittacus leucophthalmus

Statius Müller, 1776, Guiana.

Probably close to P. finschi, with which has been considered conspecific. Possibly closely related also to P. chloropterus (see both)....

Descriptive notes: 32–35 cm; 100–218 g. Green, paler below; some red flecking on head and neck; bare orbital ring greyish white; bend and edge of wing and outermost lesser underwing-coverts red; outermost greater underwing-coverts yellow;...
figure, drawing, illustration of White-eyed Parakeet (Psittacara leucophthalmus)