Black-throated Coucal
Centropus leucogaster
A large forest coucal with a black throat and chest and a white belly. Western populations in the Democratic Republic of the Congo and extreme western Uganda are sometimes separated as Neumann’s Coucal based on their smaller size, but look very similar to eastern Black-throated Coucal populations. The similar Gabon Coucal, which has a rufous belly, replaces Black-throated in Central African forests. Black-throated typically gives a deep, bubbling, booming call series of up to 20 notes that fall and then rise in pitch. This call can be heard day or night.
识别特征
The black-throated coucal is the largest species in the genus Centropus, growing to 46 to 58 cm (18 to 23 in) in length. The sexes are similar, the adult having the head, neck, upper breast and mantle black, glossed with violet-blue, the wings rufous-chestnut, the back black barred with white and the tail black, the tail feathers having paler bases. The lower breast and belly are white, the thighs, flanks and undertail-coverts having a rufous tinge. The juvenile has somewhat similar plumage to the adult, but is barred and streaked with buff, and lacks the gloss on the head.
分类信息
- 学名
- Centropus leucogaster
- 命名信息
- (Leach, 1814)
- 目
- Cuculiformes
- 科
- Cuculidae
- 属
- Centropus
分布与栖息地
The black-throated coucal is native to western Africa. Its range includes Cameroon, The Democratic Republic of Congo, Côte d'Ivoire, Gabon, Ghana, Guinea, Guinea-Bissau, Liberia, Niger, Nigeria, Senegal, Sierra Leone, and Togo. Its typical habitat is the edges of secondary forest, clearings, undergrowth, rough grassland, the edges of marshes, savannah, and the strips of gallery forest beside rivers. It is not usually found above 1,000 m (3,300 ft).
- 迁徙
- Resident species
行为
The black-throated coucal is a skulking bird, being reluctant to emerge from the undergrowth. It feeds on or near the ground, the diet consisting of insects, spiders and small frogs. The nest is a ball of dried grasses and leaves lined with green leaves and about 30 cm (12 in) in diameter. It is built close to the ground in a bush or tussock of grass. The two white eggs are probably incubated by the male, but the nesting habits of this bird have been little studied.
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Brown-capped Pygmy Woodpecker
Yungipicus nanus
Small woodpecker of open forest and forest edge. Note size, pale eyes, and broad-striped head pattern. Darkness of the crown varies; palest in northern and peninsular India and darkest in Sri Lanka. Where it overlaps with Gray-capped Woodpecker, note the more “blocky” head pattern, pale eyes, and white-spotted tail of Brown-capped. Gives a short chittering trill that rises and falls quickly.
Black-backed Oriole
Icterus abeillei
Attractive orange-and-black oriole endemic to central Mexico, where it takes the place of Bullock’s Oriole (of western North America). Favors open woods, plantations, hedges with tall trees, and towns; migrants also occur in pine-oak forest in mountains. Feeds at all levels in trees and bushes, mixing readily with other orioles. Yellow-orange plumage of male distinct from purer orange of other orioles; also note the big white wing panel, black nape and cheeks, and black flanks. Female very similar to female Bullock’s Oriole but shows ghosting of male head pattern.
Sri Lanka Junglefowl
Gallus lafayettii
Wild chickenlike bird. Male is burnt orange with dark streaks, cockerel-like glossy black tail, and a prominent red comb marked with yellow on the crown. Gray-brown female has white streaks and prominent barring on its wings. Terrestrial, found in pairs or small groups in forests of lowlands and highlands over much of Sri Lanka. Generally keeps to cover. Only confusion is with domestic chicken; note lack of white at tail base, and yellow marking on comb of males, and bars in wings of females in Sri Lanka Junglefowl. Song a harsh “chyok-cher-chow”. Also stuttering “kik-kik-kik-kik” notes.
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