Whiteeared puffbird

Nystalus chacuru

TAXONOMY

Bucco chacuru Vieillot, 1816, Paraguay. Two subspecies recognized.

OTHER COMMON NAMES

French: Tamatia chacuru; German: Weifiohr-faulvogel; Spanish: Buco Chacuru.

PHYSICAL CHARACTERISTICS

8.3-8.7 in (21-22 cm); 1.7-2.3 oz (48-64 g). Upperparts brown, finely spotted and barred paler. Large pale ear-covert spot bordered below by blackish patch extending toward nape; white on forehead extending to narrow pale coronal stripe. Underparts ochraceous. Large bill reddish.

DISTRIBUTION

N. c. uncirostris: eastern Peru, eastern Bolivia, and extreme western Brazil; N. c. chacuru: northeastern, eastern, and southern Brazil; eastern Paraguay; and northeastern Argentina.

HABITAT

Tropical dry forest, clearings and pastures, open woodland, savanna with scattered trees, even suburban areas where suitably wooded.

BEHAVIOR

Still-hunts from perches (including posts and wires) between ground level and upper canopy.

FEEDING ECOLOGY AND DIET

Eats mainly arthropods caught aerially or on the ground, but occasionally takes small vertebrates (lizards).

REPRODUCTIVE BIOLOGY

Nests at the ends of cavities excavated in level ground or banks; 2-4 eggs are laid.

CONSERVATION STATUS

Not threatened. A common bird in much of southeastern and central Brazil. Although less common elsewhere, the species is nevertheless secure, especially because it is favored by deforestation.

SIGNIFICANCE TO HUMANS None known. ♦

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