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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Mexican Jay (Aphelocoma wollweberi)

Taxonomy:

Aphelocoma wollweberi

Kaup, 1855, #R, Zacatecas, Mexico; restricted to Valparaíso Mountains.

Until recently considered conspecific with A. ultramarina, but molecular evidence#R points to a...

Descriptive notes: 28–32 cm; male 84–150 g, female 77–137 g. Small, chunky, crestless jay, dull bluish above and dingy below, with fairly heavy, pointed bill; bill length varies significantly with season, shorter in winter. Nominate race...
figure, drawing, illustration of Mexican Jay (Aphelocoma wollweberi)

Black-and-chestnut Eagle (Spizaetus isidori)

Taxonomy:

Falco Isidori

Des Murs, 1845, Bogotá, Colombia.

Previously placed in monotypic genus Oroaetus, but recent phylogenetic study found this species to be nested among the New World Spizaetus...

Descriptive notes: 60–80 cm, wingspan 144–166 cm. Large, stocky eagle with relatively short tail but long wings. Head, crest, neck and upperparts black, below chestnut streaked with black; thighs black, feathered tarsi chestnut; tail...
figure, drawing, illustration of Black-and-chestnut Eagle (Spizaetus isidori)

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)

Asian Crested Ibis (Nipponia nippon)

Taxonomy:

Ibis nippon

Temminck, 1835, Japan.

Proposed race sinensis, described around end of 19th century, turned out to be the species’ breeding plumage. Monotypic.

Descriptive notes: 55–84 cm. Distinctive bushy-crested ibis with red facial skin and legs. Non-breeding adult white, with orangish-cinnamon tones in tail and flight feathers, whereas breeding adult has grey head, neck, mantle and...
figure, drawing, illustration of Asian Crested Ibis (Nipponia nippon)

Malay Eared-nightjar (Lyncornis temminckii)

Taxonomy:

Lyncornis Temminckii

Gould, 1838, Borneo.

Previously placed in genus Eurostopodus. Race jacobsoni of L. macrotis may belong in present species...

Descriptive notes: 25–28 cm. Sexes similar. Shows distinct "ears"; upperparts brown speckled buff, pale buff and cinnamon, crown boldly spotted with blackish-brown; thin buff nuchal ­collar; wing-coverts brown, speckled and spotted...
figure, drawing, illustration of Malay Eared-nightjar (Lyncornis temminckii)