Colymbus fulica Boddaert, 1783, Cayenne. Monotypic.
OTHER COMMON NAMES
English: American finfoot; French: Grйbifoulque d’Amйrique; German: Zwergbinsenralle; Spanish: Avesol Americano. PHYSICAL CHARACTERISTICS 10.2–13 in (26–33 cm); 0.26–0.33 lb (120–150 g). Yellow and black banded feet, upper bill dark in male, red in female, lower bill pale. White throat, black on top of head to back of neck, brown back and pale underneath.
Southeastern Mexico through Central and South America south to Bolivia and northeastern Argentina.
Forest rivers and streams and freshwater lakes and ponds, with dense fringing and overhanging vegetation.
Permanently territorial; male defends about 200 yd (180 m) of stream bank.
FEEDING ECOLOGY AND DIET
Feeds from water surface, occasionally on land; eats mainly aquatic insects.
Breeds in spring (northern part of range) or during rains. Two to three eggs; incubation 10–11 days, by both sexes; young altricial.
Not threatened. Widespread but rarely observed; numbers unknown. Regarded as common to uncommon; population density probably low.
SIGNIFICANCE TO HUMANS
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