Gray-crowned Yellowthroat
Geothlypis poliocephala
Retiring, olive and yellow warbler of savannas and grassy fields with scattered bushes or low palmetto shrubs. Not in wet marshes, unlike Common Yellowthroat. Perches on bushes and fences to sing and call, when often cocks and twitches tail, and sometimes raises a bushy crest. Sexes look alike, with a grayish crown and small black mask between the eyes and bill; populations south to Honduras have white eye-arcs, lacking in populations of southern Central America.
分类信息
- 学名
- Geothlypis poliocephala
- 命名信息
- Baird, SF, 1865
- 目
- Passeriformes
- 科
- Parulidae
- 属
- Geothlypis
分布与栖息地
- 迁徙
- Resident species
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
其他鸟类

Southern Screamer
Chauna torquata
Huge and odd-looking gray gooselike species with long red legs. Note the wispy crest on the back of the head, the bare red face, and a broad dark collar with a thin white collar above it. In flight shows white underwings. Occurs in wetlands, including marshes and lakes where it may gather in big flocks. Has a very loud and far-carrying call, usually delivered in a duet.

Cordoba Cinclodes
Cinclodes comechingonus
Small-billed cinclodes of the Sierra de Comenchingones in central Argentina. Disperses to adjacent lowlands during the nonbreeding season. The only Cinclodes in range with extensive rufous on wings; yellow base to mandible also distinctive.

Pale-billed Hornero
Furnarius torridus
Chunky, chestnut-colored bird found only near large rivers in the western part of the Amazon basin. Plumage is chestnut-brown with pale eyebrow, throat, and belly. Separated from Pale-legged Hornero by darker breast, face, and crown; from Lesser Hornero by larger size, darker breast, and pale (not dark) legs. Inhabits understory of densely wooded and seasonally flooded forest along rivers and on river islands. Song is a descending whinny.
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