Redtailed greenbul

Criniger calurus

TAXONOMY

Trichophorus calurus Cassin, 1857, Gabon. Two races recognized based on plumage variation.

OTHER COMMON NAMES

English: Red-tailed bulbul; French: Bulbul a barbe blanche; German: Swainsonbülbül; Spanish: Bulbul de Cola Roja.

PHYSICAL CHARACTERISTICS

7.1 in (18 cm); 0.7-1.2 oz (22-35 g). Head and hindneck olive brown, long black bristles on hindneck. Bright yellow under-parts contrast with olive flanks. White conspicuous "beard," often puffed out. Sexes alike. Juvenile resembles adult but is dull cinnamon on wings.

DISTRIBUTION

Endemic central Africa; Senegal, Guinea, Mali, Sierra Leone, Liberia, Ivory coast, Ghana, Nigeria, Cameroon, Zaire, Gabon, Congo, Angola, Central African Republic, Sudan, and Uganda.

HABITAT

Forest, forest-grassland mosaic.

BEHAVIOR

Territorial groups of three through 12. Common in mixed bird flocks, often the leader. Call a weak "chit, chiro-chiro" or whistle "peeyu." Frequently flicks wings and fans tail.

FEEDING ECOLOGY AND DIET

Mainly insects and insect larvae, also fruits and seeds.

REPRODUCTIVE BIOLOGY

Territorial breeder, usually two eggs. Incubation by female only; young fed by both parents, fledge 14 days.

CONSERVATION STATUS

Not threatened.

SIGNIFICANCE TO HUMANS None known. ♦

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