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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Magellanic Horned Owl (Bubo magellanicus)

Taxonomy:

Strix magellanicus

Lesson, 1828, Straits of Magellan.

Until recently included as a race of B. virginianus, but differs from the taxon in vocalizations#R...

Descriptive notes: c. 45 cm; 830 g (n = 1 male). Very like B. virginianus; differs in smaller size (wing length 318–368 mm versus 297–390 mm in virginianus), smaller ear tufts, smaller bill, weaker talons, more prominent rim around...
figure, drawing, illustration of Magellanic Horned Owl (Bubo magellanicus)

Ross's Gull (Rhodostethia rosea)

Taxonomy:

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)

Pacific Wren (Troglodytes pacificus)

Taxonomy:

Troglodytes hyemalis [sic] (var. pacificus

) S. F. Baird, 1864, Simiahmoo, Puget Sound, Washington.

Until recently considered conspecific with T. troglodytes and T. hiemalis, given great morphological consistency, but acoustic and...

Descriptive notes: 9–11 cm; 8–12 g. Small, dark wren with short tail, small bill and pale supercilium, chin and throat. Upperwing-coverts rufous-brown with darker barring; primaries and secondaries brown, barred darker; upper breast light wood...
figure, drawing, illustration of Pacific Wren (Troglodytes pacificus)

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)

Trumpeter Finch (Bucanetes githagineus)

Taxonomy:

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)