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.

Explore the following sample species accounts to better understand the monumental work that lies behind these pages.

Come back often! The sample species are being rotated every month.

Maned Owl (Jubula lettii)


Bubo letti

Büttikofer, 1889, Passy District, Liberia.

Affinities uncertain. Sometimes suggested that genus be merged with Neotropical Lophostrix; superficial similarities in appearance and similar...

Descriptive notes: 34–40 cm; 1 male 183 g. Highly distinctive. Elongated crown and nape feathers forming brown and white “mane”, merging with long, bushy brown-and-white ear tufts; rufous facial disc edged in brown, with...
figure, drawing, illustration of Maned Owl (Jubula lettii)

Grey-cheeked Bulbul (Alophoixus tephrogenys)


Trichophorus tephrogenys

Jardine and Selby, 1833, uncertain, possibly India = Malacca.

Until recently considered conspecific with A. bres and A. frater, but differs from latter in characters given under that species (see...

Descriptive notes: 19–23 cm; 29–44 g, male 41–46 g and female 51–52 g (gutturalis). Short-crested, bulky bulbul; crest is less prominent than in A. ochraceus and A. ruficrissus. Adult has lores and face mid-grey, becoming ash-grey on ear-coverts and dark...
figure, drawing, illustration of Grey-cheeked Bulbul (Alophoixus tephrogenys)

Black-and-chestnut Eagle (Spizaetus isidori)


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)

Asian Crested Ibis (Nipponia nippon)


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)

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)