Austral Negrito
Lessonia rufa
Tiny little terrestrial flycatcher, common in open habitats of southern South America in summer, migrates north in winter. Feeds mainly by hopping on the ground, but perches readily on posts, fences, and low bushes. During migration times, sometimes found in small flocks mixed with other migrants of open country. No similar species in range: male is black with bright rusty back. The much plainer female is easily overlooked, but size, shape, and behavior distinctive, and is often with males.
分类信息
The austral negrito was formally described in 1789 by the German naturalist Johann Friedrich Gmelin in his revised and expanded edition of Carl Linnaeus's Systema Naturae. He placed it with the larks in the genus Alauda and coined the binomial name Alauda rufa. The specific epithet is from Latin rufus meaning "red", "ruddy" or "rufous". Gmelin based his description on "L'alouette noire à dos fauve" from Buenos Aires that had been described in 1778 by the French polymath, the Comte de Buffon and illustrated with a hand-coloured engraving by François-Nicolas Martinet. The austral negrito is now placed together with the Andean negrito in the genus Lessonia that was introduced in 1832 by William Swainson. The species is monotypic: no subspecies are recognised.
- 学名
- Lessonia rufa
- 命名信息
- (Gmelin, JF, 1789)
- 目
- Passeriformes
- 科
- Tyrannidae
- 属
- Lessonia
分布与栖息地
- 迁徙
- Complete migrants
保护状况
- 种群趋势
- stable
照片
分布
鸟叫声
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