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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Pacific Robin (Petroica pusilla)

Taxonomy:

Petroica pusilla

Peale, 1848, Upolu, Samoa.

Until recently considered conspecific with P. multicolor, which, however, is more closely related to P. goodenovii...

Descriptive notes: 11·5–13·5 cm; 13–15 g, 10–14·5 g (dennisi), 8–11 g (kleinschmidti), 8·4–9·7 g (ambrynensis). Male nominate race has white forehead, contrasting with sooty-black rest of head and upperparts; upperwing black with considerable amount of...
figure, drawing, illustration of Pacific Robin (Petroica pusilla)

Horned Grebe (Podiceps auritus)

Taxonomy:

Colymbus auritus

Linnaeus, 1758, Europe and America; restricted to Vaasa, Finland.

Sometimes placed in genus Dytes, although actually closer to P. grisegena and P. cristatus than to other Podiceps. Has...

Descriptive notes: 31–38 cm; 300–470 g. Nominate race in breeding plumage Another close view An adult settling on nest has blackish cap, hindneck and upperparts; upperwing blackish brown to brown-grey, with large white panel over...
figure, drawing, illustration of Horned Grebe (Podiceps auritus)

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)

Zapata Rail (Cyanolimnas cerverai)

Taxonomy:

Cyanolimnas cerverai

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

Monotypic.

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)

Oriental Honey-buzzard (Pernis ptilorhynchus)

Taxonomy:

Falco ptilorhyncus

[sic] Temminck, 1821, Java.

Closely related to P. apivorus, in which sometimes included as a race (see that species). Races rather distinctive. Migratory, generally paler...

Descriptive notes: 52–68 cm; male 750–1280 g, female 950–1490 g; wingspan 115–155 cm. Similar to P. apivorus, but larger, shorter-tailed, lacks dark carpal patch on underwing and shows six (versus five) primary “fingers...
figure, drawing, illustration of Oriental Honey-buzzard (Pernis ptilorhynchus)