White-banded Mockingbird
Mimus triurus
Distinctive mockingbird with large white wing patches, visible at rest and spectacular in flight. It is largely whitish below with a gray head and cinnamon rump. The tail is mostly white with black central feathers. Found in savannas and other semiopen areas. The song is variable and includes songs of other species.
识别特征
The white-banded mockingbird is 20 to 23.5 cm (7.9 to 9.3 in) long and weighs 49 to 54 g (1.7 to 1.9 oz). The male is slightly larger than the female. Adults have a grayish crown, a white supercilium, a blackish line through the eye, and speckled cheeks. Their upperparts are smoky gray blending to reddish cinnamon on the rump. The central third of the tail is black and the outer feathers white. The folded wing shows a broad white band; the rest of the wing is blackish. The white on the wings and tail are conspicuous in flight. The adults are mostly whitish below; the sides and flanks have a cinnamon wash and the vent area is buffy. The juvenile is similar but with a spotted breast and less white in the wing.
分类信息
The white-banded mockingbird and the brown-backed mockingbird (Mimus dorsalis) are sister species. Both are monotypic.
- 学名
- Mimus triurus
- 命名信息
- (Vieillot, 1818)
- 目
- Passeriformes
- 科
- Mimidae
- 属
- Mimus
分布与栖息地
The white-banded mockingbird breeds primarily in central Argentina. In the non-breeding season it apparently withdraws from the southernmost part of its range and is also found in Bolivia, Brazil, Chile, Paraguay, and Uruguay. It is suspected to regularly breed in all of these countries except Brazil and Chile. Vagrants have been recorded in Peru and the Falkland Islands.<p>The white-banded mockingbird inhabits a variety of landscapes including low woodlands, savanna, open brushy country, steppe, and around human habitations. It is mostly found below 500 m (1,600 ft) of elevation but breeds as high as 2,600 m (8,500 ft) in northern Argentina and as a non-breeder reaches higher in Bolivia and Chile.
- 繁殖区
- SA : c Argentina
- 非繁殖区
- to Bolivia and s Brazil
- 迁徙
- Complete migrants
行为
Migration pattern: Complete migrants.
保护状况
- 种群趋势
- unknown
照片
分布
鸟叫声
其他鸟类
Yucatan Jay
Cyanocorax yucatanicus
Common and conspicuous in woodland and forest edge of Yucatan Peninsula, where there are no similar species. Usually found in groups of 5-25 birds, often chattering noisily. Black and bright blue plumage is distinctive. The bill is black on adult birds, yellow on juveniles and 1st-year birds. The striking white bodied juvenile plumage is held for only a few weeks in late summer before being replaced by adult-like black feathering.
Yellow-vented Myzomela
Myzomela eichhorni
A small, mostly black bird with a decurved bill, a red throat patch, and a bright red rump. Tail black. Female similar, but duller brownish below. Found in any habitat with trees or shrubs. The only myzomela in its limited range. Voice is a loud, high-pitched “tseep-tseep.”
Great Snipe
Gallinago media
Slightly bigger and stockier than Common Snipe, with a long and thick bill, heavily barred belly and contrasting upperwing pattern with dark underwings. Flushes at close range; escape flight is usually slow and short. Typically quiet and silent. Breeds in remote wet meadows or in mountain bogs where males lek (display together). Usually found at marshes on migration; autumn migrants make a direct nonstop flight to tropical African wintering grounds.
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