Caprimulgus griseus Gmelin, 1789, Cayenne. Two subspecies.
OTHER COMMON NAMES
English: Common potoo; French: Ibijau gris; German: Urutau- Tagschlдfer; Spanish: Nictibio urutaъ.
13–16 in (33–41 cm); 5–7 oz. (145–202 g). Plumage varies from reddish brown to gray-brown. Sexes are similar.
Central and South America from Costa Rica and Panama south to Uruguay.
Forest, woodland, plantations, and savanna with scattered trees.
Roosts singly and quietly on branch during day. Active at night, when song of four to seven whistled notes is emitted.
FEEDING ECOLOGY AND DIET
Feeds on insects, including beetles, moths, grasshoppers, bugs, and termites, caught by sallying from perch.
Lays single egg in depression in sloping branch or near forking branches. Incubation by both sexes, lasts for 30–33 days. Young brooded by either parent when small, fledging period variously estimated as 40–51 days.
SIGNIFICANCE TO HUMANS
Like other potoos, the subject of myths and superstitions in some rural areas.
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