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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Red-footed Booby (Sula sula)

Taxonomy:

Pelecanus Sula

Linnaeus, 1766, Barbados, West Indies.

Validity of races often questioned, and delimitation difficult owing to existence of colour morphs. On other hand, has been suggested that websteri...

Descriptive notes: 66–77 cm; 900–1003 g; wingspan 124–152 cm. Smallest booby, with relatively long tail and large eye; highly polymorphic, with variety of morphs (and intermediates) irrespective of subspecies. Adult white morph has all...
figure, drawing, illustration of Red-footed Booby (Sula sula)

Wood Sandpiper (Tringa glareola)

Taxonomy:

Tringa Glareola

Linnaeus, 1758, Sweden.

Monotypic.

Descriptive notes: 19–23 cm; 34–98 g; wingspan 54–57 cm. Small, graceful sandpiper; head, neck and breast finely streaked grey-brown; supercilium and throat white; upperparts black-brown with white spots, underparts white. Similar to T....
figure, drawing, illustration of Wood Sandpiper (Tringa glareola)

Horned Curassow (Pauxi unicornis)

Taxonomy:

Pauxi unicornis

J. Bond and Meyer de Schauensee, 1939, above Bolívar, near Palmar, Yungas de Cochabamba, Bolivia.

Has been considered a race of P. pauxi, and until very recently was treated as conspecific with P. koepckeae, but differs from latter in...

Descriptive notes: 85–95 cm; male c. 3850 g; female c. 3600 g. Large, virtually all-black cracid with white vent and tip to tail. Bright red bill and pale blue casque, which grows up to 6·3 cm. Legs normally pale red, but...
figure, drawing, illustration of Horned Curassow (Pauxi unicornis)

Pallas's Sandgrouse (Syrrhaptes paradoxus)

Taxonomy:

Tetrao paradoxa

Pallas, 1773, southern Tartarian Desert.

Closely related to S. tibetanus. Monotypic.

Descriptive notes: 27–41 cm; male c. 250–300 g, female c. 200–260 g; wingspan 60–78 cm. Front toes feathered, hind toe lacking; long, pin-like central tail feathers; outermost primary longer and attenuated, particularly so in males...
figure, drawing, illustration of Pallas's Sandgrouse (Syrrhaptes paradoxus)

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)