Green-billed Coucal
Centropus chlororhynchos
A mid-sized coucal of lowland and mid-hill forest. Black plumage with purplish sheen, dark rufous wings, and pale, greenish bill. Found in the dense undergrowth of humid forest where it is very skulking and difficult to see. Heard more often than seen. Similar to Greater Coucal, but Green-billed Coucal is smaller in size with pale bill. Call a series of deep, double “boop-boop” notes, or a regular, upslurred “ker-chuip” or “chuip” rather like a stone dropping into water.
识别特征
It is a medium to large bird at 43 cm. Its head and body is purple-black, the wings are maroon above and black below, and the long tail is dark green. The bill is a distinctive light green. Sexes are similar, but juveniles are duller and streaked. It is somewhat smaller and less contrasted than the more widespread greater coucal. Despite its size and distinctive call, this is a difficult species to see because of the dense habitat in which it lives and its retiring nature. It feeds on a wide range of insects, caterpillars and small vertebrates, but snails are a favourite.
分类信息
- 学名
- Centropus chlororhynchos
- 命名信息
- Blyth, 1849
- 目
- Cuculiformes
- 科
- Cuculidae
- 属
- Centropus
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Red-and-green Macaw
Ara chloropterus
Enormous parrot with a long pointed tail, a red head and body with mostly blue wings and green wing coverts. It has a white face with distinct red stripes. Only possible confusion species is Scarlet Macaw, which has yellow (not green) wing coverts and lacks red stripes on the face. Found in lowland rainforests from eastern Panama to Paraguay. Usually found in pairs, flying over the forest and perching in the canopy. Can gather in small groups, especially at fruiting trees or clay licks. Nests in cavities. Listen for raucous calls, typical of large macaws.
Velvet Scoter
Melanitta fusca
Large scoter, with distinctive white patch on wing. Dark chocolate-brown overall; males are darker than females and have small white mark under eye. Note bill pattern: mostly yellow with a dark knob on top and a subtle pinkish tip. Females have two rounded white patches on face. Breeds on ponds, lakes, or rivers in woodland or tundra across much of northern Europe. Winters mainly in coastal waters, sometimes in large flocks. Occasionally found on large inland lakes during migration. Dives frequently, feeding on mollusks and crustaceans.
Red-vented Bulbul
Pycnonotus cafer
A dark, sleek, medium-sized bird with a black crest and a white rump. The red color under the tail is often difficult to see. Eats fruit, flower buds, and insects. Conspicuous and sometimes gregarious, often seen high in trees or perched on wires in urban and rural areas; generally prefers scrubby edge habitat instead of dense forest. Calls include a variety of chirps and whistles. Native to South and Southeast Asia. Introduced to Kuwait, Qatar, United Arab Emirates, Oman, and some Polynesian islands, including Hawaii.
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