Nicator vireo Cabanis, 1876, Chinchoxo, Portuguese Congo. Taxonomy unresolved. The genus has been placed in the bush-shrikes (Malaconotidae), other authors place it in the Pyc-nonotidae.
OTHER COMMON NAMES
French: Bulbul a gorge jaune; German: Gelbkehlnicator; Spanish: Bulbul de Garganta Amarilla.
5.5 in (14 cm); 0.88 oz (25 g). Upperparts dark green, head tinged gray. Short yellow stripe above the eye, bordered on top with a black line, cheeks grayish. Yellow throat, undertail greenish yellow, yellow tip on tail. Conspicuous yellow wing spots. Sexes alike. Juvenile resembles adult, but greener forehead and less yellow on throat.
Central Africa; Cameroon, Gabon, Congo, Angola, and Zaire.
Lowland forest, especially vegetation near clearings. BEHAVIOR
Territorial, lives in pairs, sedentary. Very shy, sings from dense cover. Song of up-and-down whistles with soft in-between notes "po-tyoo-ho-ho-ho-whee, tyoo-ho-ho-ho." Nonmigratory.
FEEDING ECOLOGY AND DIET
Mainly insects, especially large dragonflies, also caterpillars, beetles, and mantids. Forages in dense clumps of vegetation near clearings.
Apparently monogamous; holds same breeding territory for several years. Nest often exposed, two grayish eggs spotted with yellow, red, and gray; spots form "cap" on end. Incubation by female, while male stays nearby and sings. Young fed by both parents.
Not threatened. Locally common.
SIGNIFICANCE TO HUMANS None known. ♦
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