Green Cochoa
Cochoa viridis
A gorgeously colored but highly elusive and uncommon bird found in extensive hill forests, particularly in areas with well-shaded ravines, gullies, and streams. Slow-moving and restricted to the canopy, where it blends in with the foliage. If seen, the green body is most obvious, followed by the black and silvery-blue bands on the wing. A better look would reveal a sky-blue head with a thin black eye-stripe and a pale blue tail. Listen for its song, a high, thin, even-sounding whistle, often given repeatedly but difficult to pin down.
识别特征
This Himalayan thrush is moss green. The male has a blue crown, blue wings and tail with a broad black band on the tail. The female has a more greenish body with some rusty spots on the wing coverts. The secondaries and tertiaries have the base of the outer webs yellowish brown with very narrow blue edging, unlike in the male. In some plumages there is a white collar on the sides of the neck. This form was once described as a new species Cochoa rothschildi. First year birds have dark shaft streaks on the body feathers.
分类信息
- 学名
- Cochoa viridis
- 命名信息
- Hodgson, 1836
- 目
- Passeriformes
- 科
- Turdidae
- 属
- Cochoa
分布与栖息地
The green cochoa is found in Cambodia, China, India, Laos, Myanmar, Nepal, Thailand, Vietnam, and possibly Bhutan. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. They make seasonal movements that are not well understood. Their distribution in winter in India is unclear as the species is found only in summer. An old record from Uttaranchal (Nainital) is the westernmost record, and no recent records exist from Nepal. Most records are east of northwest Bengal.
- 迁徙
- Resident species
行为
The green cochoa is usually seen in pairs or small groups sitting in tall trees. They usually feed close to the ground, on mollusks, insects and berries. They sometimes launch aerial sallies to capture insects. This species breeds in summer, and the nest is much like that of the purple cochoa, but is usually placed close to water. Both parents take turns incubating. The song is a thin and clear feeeee that dies away. Calls include a short high-pitched pok and harsh notes.<p>The glossy eggs are ellipsoidal and densely speckled.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Capped White-eye
Zosterops fuscicapilla
A small bird of montane forest and edge. Olive green above, blending to yellow on the belly and under the base of the tail. Note the black face and crown, and prominent white eye-ring. Often found in large flocks. All the other white-eyes on New Guinea have whitish underparts. Song, an arhythmic series of notes not varying much in pitch.
Masked Laughingthrush
Pterorhinus perspicillatus
A rowdy and sociable inhabitant of gardens, parks, and shrubby thickets, this long-tailed, black-eared bird is unmistakable. Upper body is dark gray overall, with brown primarily on the belly but also with some in the wings. Vent area is a dirty rufous color, often seen as the bird intermittently pumps its tail while foraging. Bold, often foraging out in the open on lawns and field edges, but even when hidden, its harsh chattering will give it away.
Papuan Parrotfinch
Erythrura papuana
A rather attractive small finch, mostly pale green with a red tail and a dull bluish-purple face. Found in evergreen forest and forest edge from 1200 to 2600 meters of elevation, rarely lower. Blue-faced Parrotfinch is similar but slightly smaller, with a slighter bill and more vivid coloration. The two do not often, if ever, overlap. Papuan’s common call is a thin, weak high-pitched “tsit tsit.”
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