Eastern Black-headed Batis
Batis minor
A typical black, white, and dark gray batis. Note the chest band, which is black in males and chestnut in females. The cap is dark gray, and there is a long, thin white eyebrow. Found in woodland, scrub, mangroves, and savanna ranging from moist to dry. Often in pairs. Similar to Pale Batis, but darker overall. The male is similar to male Chinspot Batis, but has a narrower black chest band and a darker cap. The distinctive song consists of high, thin upslurred whistles in short or long series, on the same pitch or sometimes alternating pitches.
识别特征
The eastern black-headed batis is 10 cm (3.9 in) in length and weighs 9.3–13.8 g (0.33–0.49 oz). It is a small, stocky, rather restless, flycatcher like bird with a white, black and grey plumage. The forehead, crown and nape are blackish grey with a white supercilium and loral spot, the mask is glossy bluish black and there is a white spot on the nape. The mantle and back are dark grey with a paler rump, females have a greyer mantle. The underparts are white with a glossy black breast band, which is dark reddish brown in the females. The tail is black with white outer tail feathers while the wings are mainly black with a white stripe. The bill and legs are black and the eyes are yellow. Juveniles are similar to females but browner.
分类信息
The eastern black-headed batis was described by the German ornithologist Carlo von Erlanger in 1901 who considered the taxon as a subspecies of the grey-headed batis (Batis orientalis) and introduced the trinomial name Batis orientalis minor.<p>Two subspecies are recognised:
- 学名
- Batis minor
- 命名信息
- Erlanger, 1901
- 目
- Passeriformes
- 科
- Platysteiridae
- 属
- Batis
分布与栖息地
The eastern black-headed batis occurs in a wide variety of habitats so long as trees are present. These vary from arid savannah woodlands through to juniper on the edge of montane evergreen forest, and including parks and gardens.
- 迁徙
- Resident species
行为
The eastern black-headed batis' biology is little known, they are seemingly typical batises and live in pairs or small family groups. Its diet is insects which it forages for by searching foliage or flycatching.
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
Violet-eared Waxbill
Granatina granatina
A stunning long-tailed waxbill with a red bill, mauve cheeks, and a blue rump. The underparts are vibrant chestnut in the male and cream-buff in the female. Pairs are resident in arid thorn savanna and drier woodlands, where they forage on the ground and lower layers of scrub, often in the company of other finches. The species can be secretive, flying quite a distance when flushed. The Black-faced Waxbill is dark like Violet-eared Waxbill, but it has a red rump, a dark mask, and barred wings. The Purple Grenadier lacks mauve cheeks, and its range does not overlap.
Laughing Falcon
Herpetotheres cachinnans
Spectacular and distinctive raptor of tropical lowlands, often seen perched on prominent bare snags, from which it hunts for snakes. Occurs in forest and also in open country with scattered trees. Note the creamy head and underparts with a broad black "bandit mask." Does not soar, and flies with hurried, stiff wingbeats, when rusty patches show on the wings. Named for its far-carrying laughing calls.
Jamaican Crow
Corvus jamaicensis
An all black and somewhat large species that prefers wet forests but also occurs in open woodlands. Often found perched high on bare branches of trees or working epiphyte clumps and tree nooks in search of large insects and small lizards. All species in its range that are entirely black are considerably smaller than the Jamaican Crow. Calls include emphatic harsh “raaaa,” given singly or in series, a more leisurely “craaa-aa” and variations thereof, and somewhat of a musical burbling.
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