Lark Sparrow
Chondestes grammacus
Large and boldly patterned sparrow. Look for unique black, white, and rufous face pattern, brighter on adults and duller on immatures. Favors open areas with scattered trees when breeding; often forms flocks in brushy areas in winter. Usually feeds on the ground and flies up into trees when disturbed. In flight, notice long tail with broad white corners.
识别特征
The lark sparrow is distinctive. Adults have a typically sparrow-like dark-streaked brown back, and white underparts except for a dark central spot. The cheeks and crown sides are chestnut, with white eyebrow and crown stripes. The dark tail's corners are also white. Young lark sparrows are duller, and the underparts are streaked.<p>Measurements:
分类信息
- 学名
- Chondestes grammacus
- 命名信息
- (Say, 1822)
- 目
- Passeriformes
- 科
- Passerellidae
- 属
- Chondestes
分布与栖息地
It breeds in southern Canada, much of the United States, and northern Mexico. It is much less common in the east, where its range is contracting. The populations in Mexico and adjacent states of the United States are resident, but other birds are migratory, wintering in the southern United States, Mexico and south to Guatemala.<p>It is a very rare vagrant to western Europe, with two accepted records in Great Britain in 1981 and 1991.[citation needed]
- 繁殖区
- NA : w, n
- 非繁殖区
- se USA to Guatemala
- 迁徙
- Complete migrants
保护状况
- 种群趋势
- declining
照片
分布
鸟叫声
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