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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Rufous Hummingbird (Selasphorus rufus)

Taxonomy:

Trochilus rufus

J. F. Gmelin, 1788, Nootka Sound, Vancouver Island, Canada.

Closely related to S. sasin (which see). Monotypic.

Descriptive notes: c. 8·5 cm; 2·9–3·9 g. Male has medium-short, straight black bill; crown bronze or bronze-green, remaining upperparts rufous, occasionally with a few green feathers on the back; throat iridescent scarlet-bronze...
figure, drawing, illustration of Rufous Hummingbird (Selasphorus rufus)

Northern Wren (Troglodytes troglodytes)

Taxonomy:

Motacilla Troglodytes

Linnaeus, 1758, Sweden.

Until recently considered conspecific with T. hiemalis and T. pacificus; degree of differentiation from these taxa still in need of study...

Descriptive notes: 9–10 cm; 6–12 g. Nominate race has pale buff supercilium, brown lores and ear coverts spotted off-white; crown dark brown, back warmer brown, rump more rufous-brown; shoulders and upperwing coverts rufous-brown with...
figure, drawing, illustration of Northern Wren (Troglodytes troglodytes)

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)

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)

Red-billed Hornbill (Tockus erythrorhynchus)

Taxonomy:

Buceros erythrorhynchus

Temminck, 1823, Mora, Cameroon.

Closest to T. monteiri, but close also to T. flavirostris, T. leucomelas and T. deckeni (and presumably jacksoni...

Descriptive notes: 35 cm; male 124–185 g, female 90–151 g (nominate), male 182 g, female 148 g (race kempi), male 128 g, female 125 g (race ruahae). Small, black-and-white hornbill with spotted wing-coverts, white in outer tail, and long,...
figure, drawing, illustration of Red-billed Hornbill (Tockus erythrorhynchus)