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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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)

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)

Magellanic Horned Owl (Bubo magellanicus)

Taxonomy:

Strix magellanicus

Lesson, 1828, Straits of Magellan.

Until recently included as a race of B. virginianus, but differs from the taxon in vocalizations#R...

Descriptive notes: c. 45 cm; 830 g (n = 1 male). Very like B. virginianus; differs in smaller size (wing length 318–368 mm versus 297–390 mm in virginianus), smaller ear tufts, smaller bill, weaker talons, more prominent rim around...
figure, drawing, illustration of Magellanic Horned Owl (Bubo magellanicus)

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)

Martial Eagle (Polemaetus bellicosus)

Taxonomy:

Falco bellicosus

Daudin, 1800, Great Namaqualand, South Africa.

Monotypic.

Descriptive notes: 78–96 cm; 3010–6200 g; wingspan 188–227 cm. Along with Stephanoaetus coronatus, one of the two largest eagles in Africa. Large head and long, broad blackish wings notable; upperparts, head, throat and upper breast...
figure, drawing, illustration of Martial Eagle (Polemaetus bellicosus)