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)

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)

Western Capercaillie (Tetrao urogallus)

Taxonomy:

Tetrao Urogallus

Linnaeus, 1758, Sweden.

Closely related to T. urogalloides, with which very commonly hybridizes where ranges overlap in Siberia (in one area up to 12% of males reported to...

Descriptive notes: 80–115 cm, female much smaller, 59–64 cm; male 3300–4300 g (up to 6500 g), female 1440–2500 g. Large, very dark grouse, mostly slate-grey with fine vermiculations, blackish on head and neck; breast glossy...
figure, drawing, illustration of Western Capercaillie (Tetrao urogallus)

Horned Grebe (Podiceps auritus)

Taxonomy:

Colymbus auritus

Linnaeus, 1758, Europe and America; restricted to Vaasa, Finland.

Sometimes placed in genus Dytes, although actually closer to P. grisegena and P. cristatus than to other Podiceps. Has...

Descriptive notes: 31–38 cm; 300–470 g. Nominate race in breeding plumage Another close view An adult settling on nest has blackish cap, hindneck and upperparts; upperwing blackish brown to brown-grey, with large white panel over...
figure, drawing, illustration of Horned Grebe (Podiceps auritus)

Spot-winged Wood-quail (Odontophorus capueira)

Taxonomy:

Perdix capueira

Spix, 1825, Rio de Janeiro and Minas Gerais, Brazil.

Race plumbeicollis not well defined and possibly undiagnosable, seemingly based on a unique type#R....

Descriptive notes: 26·5–30 cm; estimated weight of male 457 g, of female 396 g. Bright red bare eyering and eyelid. Sides of head, malar region, chin, throat, breast and belly plain grey; overall colour brown to grey. Crest and crown...
figure, drawing, illustration of Spot-winged Wood-quail (Odontophorus capueira)