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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Snowy Owl (Bubo scandiacus)

Taxonomy:

Strix scandiaca

Linnaeus, 1758, Lapland, north Finland.

Previously placed in monotypic genus Nyctea, primarily on basis of skull characters; recent genetic study, however, indicated that it is part of...

Descriptive notes: Male 53–64 cm, 710–2500 g; female 59–66 cm, 780–2950 g; wingspan 125–166 cm. Large white owl with small eyes, rudimentary ear tufts normally not erect. Male almost entirely white, sometimes with narrow...
figure, drawing, illustration of Snowy Owl (Bubo scandiacus)

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)

Saxaul Sparrow (Passer ammodendri)

Taxonomy:

Passer ammodendri

Gould, 1872, Turkestan = Djulek, above Kyzyl Orda, on the Syr Darya, Kazakhstan.

Currently six allopatric populations, relationships among which, and degree to which they are sufficiently distinctive to justify subspecific separation,...

Descriptive notes: 14–16 cm; 25–32 g. Male nominate race has central forehead and crown to nape black, broad white supercilium from in front of eye, becoming tawny behind eye and fanning out on side of neck; lores black, narrow black line...
figure, drawing, illustration of Saxaul Sparrow (Passer ammodendri)

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)