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)


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)

Spot-winged Wood-quail (Odontophorus capueira)


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)

Long-tailed Tit (Aegithalos caudatus)


Parus caudatus

Linnaeus, 1758, Sweden.

Often treated as conspecific with A. glaucogularis, but plumage distinctive, and no reports of regular intergradation or hybridization with latter...

Descriptive notes: 13–16 cm, of which tail 6–10 cm; 6·2–10·4 g (europaeus). A tiny, round-bodied passerine with short stubby bill and very long, narrow tail; plumage mainly black and white, with variable amounts of grey and...
figure, drawing, illustration of Long-tailed Tit (Aegithalos caudatus)

Imperial Woodpecker (Campephilus imperialis)


Picus imperialis

Gould, 1832, “California” = Jalisco, Mexico.

Closely related to C. principalis. Monotypic.

Descriptive notes: c. 56–60 cm. World’s largest woodpecker; huge, with pointed crest. Male has side of crown back to underside of crest and nape red, feathers with white bases; rest of head and neck, also upperparts, underparts and tail, black...
figure, drawing, illustration of Imperial Woodpecker (Campephilus imperialis)

Black-necked Crane (Grus nigricollis)


Grus nigricollis

Przevalski, 1876, Qinghai Province, China.

MtDNA analyses indicate that this species and G. monacha are each other’s closest relatives#R....

Descriptive notes: c. 115 cm; 5000–7000 g; wingspan 180–200 cm. The only pale grey crane with black primaries and secondaries; black neck and tail distinctive; iris yellow. Juvenile plumage greyish yellow; neck mixed black and white.
figure, drawing, illustration of Black-necked Crane (Grus nigricollis)