Audouin's Gull
Ichthyaetus audouinii
Elegant slim gull with long legs, and narrow wings. Adults have a light grey body with a paler white head. The wings are light gray with black tips, lacking conspicuous white spots. Legs are dark gray and the bill is dark red. Eyes are dark. Juveniles are similar to Lesser Black-backed Gull, with strongly barred underwings and a U-shaped white rump patch and dark tail. In their 1st winter they develop a gray-brown mantle and in their second winter the head is already white; the tail and secondaries have a black band.
分类信息
- 学名
- Ichthyaetus audouinii
- 命名信息
- (Payraudeau, 1826)
- 目
- Charadriiformes
- 科
- Laridae
- 属
- Ichthyaetus
分布与栖息地
- 繁殖区
- PAL : e North Atlantic coast of s Portugal and Spain; coasts and islets of Mediterranean and associated seas to Cyprus and s Turkey
- 非繁殖区
- to coast of Gambia (tropical North Atlantic)
- 迁徙
- Complete migrants
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类
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Scytalopus gettyae
Poorly known Peruvian endemic found only in high Andean cloud forest northeast of the city of Huancayo. It was described to science in 2013. Adult male is plain gray, lacking the rufous barring on the lower underparts shown by Rufous-vented Tapaculo and Trilling Tapaculo. Female plumage not yet known with certainty. Younger birds are heavily marked with bars or scales. Best identified by range and voice. Typical song is a lengthy series that starts out with simple notes and gradually transitions into sputtering bursts.
Black-chested Sparrow
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Very handsome but rather local sparrow endemic to interior southwest Mexico. Found in scrubby woodland and edge of dry tropical foothills and interior valleys. Usually in pairs or small groups, which keep in touch with high, rhythmic twittering choruses. Can be very skulking. Mostly stays low in brush or on the ground, but sings from atop bushes. Plumage distinctive, with black chest, white whisker, and rusty back.
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