White-browed Shrike-Babbler
Pteruthius aeralatus
A small, stout bird with a large head, usually found at mid-level in forests. Male is smartly attired: clean white below and black above with a gray back, a white eyebrow, and two bright, flame-like orange stripes towards the wingtips. Females have the same general patterning, but are much more faded, replacing black with gray and orange with yellow-green. Often joins mixed flocks in foothill and montane forests, where it can be fairly common. Song is a forceful series with slight breaks every second or third note: “dyudyu-dyu-dyudyu!”
识别特征
The white-browed shrike-babbler is sexually dimorphic. There are many variations between the populations and some are more distinctive than others but they may not be easy to diagnose in the field. In general appearance it is very similar to the Himalayan shrike-babbler but all subspecies with the exception of validirostris have the tertials of males partly coloured rufous and partly fulvous.<p>The common name commemorates Edward Blyth (1810–1873), who published the description and notes based on Samuel Tickell's specimen. It was earlier called Tickell's shrike-Tit.
分类信息
The species was described by Edward Blyth who credited the name to collector Captain Samuel Tickell. This and several other species were later lumped together as subspecies of Pteruthius flaviscapis. In 2008, a molecular phylogenetic study resulted in the separation of species within the flaviscapis group with a large number split by application of the phylogenetic species concept and these were reorganized with a smaller number of species resulting in the following subspecies being included within white-browed shrike-babbler.
- 学名
- Pteruthius aeralatus
- 命名信息
- Blyth, 1855
- 目
- Passeriformes
- 科
- Vireonidae
- 属
- Pteruthius
分布与栖息地
- 迁徙
- Vertical migration
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
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Small, beautiful, pale-gray plover. Adults show a diagnostic chestnut band across the chest. Immatures are very plain but show a gray chest band. Found mainly on manmade saltpans and natural alkaline lakes, both along the coast and inland. Sometimes occurs in other coastal wetlands but virtually never on fresh water. Call is a quiet “peep”. Immatures can be confused with immature White-fronted Plover but normally show a blurry gray chest band and are colder gray on the back.

Indochinese Barbet
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Loud but sluggish and difficult-to-see canopy inhabitant of the Annamite highlands in western Vietnam, eastern Laos, and far eastern Cambodia. Green with an electric-blue face, pale yellow crown and throat, and thick black eyebrows. Also note heavy dark bill with long bristles at the base. More often heard than seen; listen for its long, unending series of hollow-sounding notes. Like many other barbets, it can be difficult to locate when singing; more readily seen at fruiting trees. Formerly considered a subspecies of Black-browed Barbet.

Tropical Shearwater
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Small shearwater of the tropical Indian and Pacific Oceans, where it breeds on barren and rocky atolls and islets, venturing offshore to feed. Dark blackish brown above and white below; this combination of pattern and size distinctive within range. Similar to Sargasso Shearwater of the Atlantic, which has more extensive white on the face, and somewhat similar to larger Manx Shearwater and smaller Little Shearwater, but Tropical has mottled dark undertail coverts (white in Manx and Little).
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