Pale-legged Leaf Warbler
Phylloscopus tenellipes
Small songbird, dull brownish-olive above, pale below, with prominent white supercilium, black eyeline, and faint, narrow wingbars. Vertical tail pumping distinguishes this species from most others in its range except Sakhalin Leaf Warbler. Favors the lower stories of vegetation more than most other leaf warblers, often descending down to the ground while foraging. A high-pitched cricket-like trill of a song distinguishes this species from the nearly identical Sakhalin on migration (no overlap in breeding range). Calls of the two species are similar, and can only be differentiated reliably using a spectrogram; Pale-legged’s call is marginally higher in frequency. Breeds in sparsely wooded areas, particularly in valleys and hills; can be seen in a wide range of wooded habitats outside of breeding period.
识别特征
It is 12 cm in length with brownish upperparts and a contrasting greyish-brown crown and nape. The whitish supercilium contrasts strongly, not reaching the forehead but extending well behind the eyes. Its eyeline is dark brown and wider behind the eye. Cheeks mottled pale brown and throat whitish. White undertail coverts contrast with paler olive-brown rump and uppertail coverts, lacks greenish tinge. Breast and belly whitish, washed pale brown.
分类信息
- 学名
- Phylloscopus tenellipes
- 命名信息
- Swinhoe, 1860
- 目
- Passeriformes
- 科
- Phylloscopidae
- 属
- Phylloscopus
分布与栖息地
- 繁殖区
- PAL : e Russia to ne China and North Korea
- 非繁殖区
- se Asia
- 迁徙
- Complete migrants
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
其他鸟类
Blue-billed Teal
Spatula hottentota
Small brownish duck with a blue bill, dark cap, and a dark smudge on the pale tan cheek. In flight, look for white, black, and green stripes on the wing. Found on freshwater wetlands, lakes, and rice paddies, at low to moderate elevations. Combination of small size, blue bill, and cheek marking separate it from all other ducks and grebes.
Palm Lorikeet
Vini palmarum
An entirely green lorikeet often seen in flight, with a long, pointed yellow-tipped tail and a small reddish patch on the chin. Bill and feet orange. Widespread but dependent on primary forest, intolerant of disturbed areas. No similar species occur in its range. Call is a high-pitched “tsit” or “tsee.”
Purple-backed Thornbill
Ramphomicron microrhynchum
Small hummingbird with an extremely short, straight bill. Males are unmistakable: brilliant purple above and green below. Females are green above and whitish below with dense green spotting, especially on the flanks. Both sexes have a fairly long, notched tail. Occurs in the Andes from western Venezuela to Peru. Usually seen singly in the canopy or borders of humid elfin forest near treeline, though can gather in larger numbers at flowering trees. Also ventures into páramo; occasionally descends to lower elevations in the dry season. Seasonal movements are not understood.
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