Dark Batis

Batis crypta

Males have the typical batis pattern of black, white, and gray. Females have a more unusual pattern, with rufous in the wing, rufous on the throat, and a variable amount of rufous on the breast. Both sexes have orange or reddish eyes. Found at middle levels and in the canopy of forest at low and middle elevations, often in pairs. Very similar to Short-tailed Batis, but there is no known overlap in range. Males are similar to Chinspot and Pale Batises, but are distinguished by the darker eye and shorter tail. Females are distinctive. The song is variable, but is usually a long, slow series of identical low-pitched tooting notes, sometimes given along with raspy “chugaree” calls. 

识别特征

The dark batis is about 10 cm (3.9 in) in length and weighs 10–15 g (0.35–0.53 oz). It has a dark bill and legs and red eyes. The male is white below with a broad black breastband. Above it has a dark grey crown, grey back with some black feather-tips, a black face-mask and black wings with a white stripe. The female has a greyish crown, brownish back, dark mask, slight white supercilium and a narrow rufous stripe on the wing. Below it has a rufous chin-spot and breast with whitish tips to some of the feathers.<p>The forest batis has a slightly shorter tail. Males of the two species are very similar but forest batises have a narrower breastband and usually some hint of a white supercilium which is lacking in the male dark batis. The females are more distinctive: female forest batises have a paler breast and chin with more white tips giving a mottled appearance. There is a conspicuous white supercilium and a broad rufous wing-stripe.<p>The dark batis has a variety of whistling and harsh churring calls and its wings make a whirring sound in flight. The male's song is a series of short, low whistles.

分类信息

学名
Batis crypta
命名信息
Fjeldså, Bowie & Kiure, 2006
Passeriformes
Platysteiridae
Batis

分布与栖息地

It is found in the Eastern Arc Mountains of East Africa from the Ukaguru Mountains and Uluguru Mountains of central Tanzania south-westwards as far as the Misuku Hills in northernmost Malawi and the Njesi Highlands in northern Mozambique.<p>It inhabits evergreen forest from 540 to 2,140 metres (1,770 to 7,020 ft) above sea-level and is most common around 1,500 metres (4,900 ft). It forages mainly in the lower and middle levels of trees, feeding on insects such as termites.

迁徙
Resident species

保护状况

种群趋势
stable

照片

分布

鸟叫声

其他鸟类

Warsangli Linnet

Warsangli Linnet

Linaria johannis

A fine-billed finch with a notched tail. Neatly patterned mostly in gray and white, with black wings and tail and a rufous lower back and thighs. Male has a striking white eyebrow, lower cheek patch, wing notch, and rump. Female is duller, with a less striking facial pattern; juvenile is buffier and streakier. A rare resident in the hilly Daalo and Mash Caleed regions of northern Somalia, where it prefers degraded juniper forest and other woodland and scrub between 1200 and 2400 meters of elevation. Forages on the ground in pairs or small groups, and perches on exposed branches and dead trees. Sings a typical canary-like song with whistles, trills, and buzzes. Calls include a high-pitched “tsee-wit.” Streaky juvenile could be confused with a canary, but white in the wing is distinctive. 

Hooded Tinamou

Hooded Tinamou

Nothocercus nigrocapillus

Fairly large, terrestrial bird of Andean cloud forest. It has a gray head, a white throat, white speckling on the wings, and faint barring on the belly. Similar to White-throated Tinamou, but Hooded has a grayer head, a less mottled neck, and a different voice, and is found at higher elevations. Very shy and solitary, heard far more often than seen; song is a nasal “ow” repeated every few seconds.

Taiwan Shortwing

Taiwan Shortwing

Brachypteryx goodfellowi

A small, dark songster of montane forest floor and undergrowth. Note dark brown body with a fairly bold white eyebrow. Unlike most shortwings, there is little difference between male and female plumages, though eyebrow may be less conspicuous on females. Furtive and difficult to see well; forages on the ground of various types of forest, including bamboo, fern, and mossy forest. Song a short phrase starting with a high-pitched clear whistle, followed by a jumbled slightly flutey note. Call a relatively low, knocking wooden rattle.

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