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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Bismarck White-eye (Zosterops hypoxanthus)


Zosterops hypoxantha

Salvadori, 1881, New Britain.

Sometimes considered conspecific with Z. minor, and has been thought to be conspecific with Z. fuscicapilla. Race admiralitatis...

Descriptive notes: 10·5–11·5 cm; 7·6–13 g. Nominate race has top and side of head, including cheek, black, white eyering of moderate width; upperparts yellowish olive-green or yellowish-olive, except for blackish-brown...
figure, drawing, illustration of Bismarck White-eye (Zosterops hypoxanthus)

Ross's Gull (Rhodostethia rosea)


Larus roseus

W. MacGillivray, 1824, Melville Peninsula, Canada.

Resembles Hydrocoloeus minutus in size and plumage sequence, but with very different adult plumage; morphometric analysis suggests that it is an...

Descriptive notes: 29–32 cm; 120–250 g; wingspan 82–92 cm. Two-year gull. Dove-like or tern-like, with a buoyant tern-like flight, and unique combination of wedge-shaped tail (not always apparent), grey underwing and black nuchal collar...
figure, drawing, illustration of Ross's Gull (Rhodostethia rosea)

Trumpeter Finch (Bucanetes githagineus)


Fringilla githaginea

M. H. C. Lichtenstein, 1823, Deram, Upper Egypt.

Geographical variation slight, not always constant, and largely clinal. Four subspecies recognized.

Descriptive notes: 12·5–15 cm; 16–25 g. Medium-sized to large, stocky, large-headed finch with large, blunt bill and short tail. Male nominate race breeding has forehead to cheek, chin and throat bright red to reddish-pink (appears as...
figure, drawing, illustration of Trumpeter Finch (Bucanetes githagineus)

Horned Lark (Eremophila alpestris)


Alauda alpestris

Linnaeus, 1758, coast of South Carolina, USA.

See E. bilopha. Numerous races described over vast range, based mainly on differences in size, ground colour (partly determined by local soil...

Descriptive notes: 14–17 cm; 30–40 g. Medium-sized lark with short bill, fairly long tail, and striking head pattern with elongated lateral crown feathers (“horns”). Male nominate race has yellow forehead and supercilium, yellow...
figure, drawing, illustration of Horned Lark (Eremophila alpestris)

Zapata Rail (Cyanolimnas cerverai)


Cyanolimnas cerverai

Barbour and J. L. Peters, 1927, Santo Tomás, Península de Zapata, Cuba.


Descriptive notes: 29 cm. Apparently almost flightless; wings very short; tail short and decomposed. Dark rail without streaks or spots, faintly barred on lower belly and thighs and has white undertail-coverts. Sexes alike. Easily separable by plumage...
figure, drawing, illustration of Zapata Rail (Cyanolimnas cerverai)