重新发现严重Mackenziaena (Lichtenstein, 1823)(鸟类:Thamnophilidae)在其地理分布的南部边缘，里约热内卢Grande do sul，巴西

Lundiana: International Journal of Biodiversity Pub Date : 2011-09-13 DOI:10.35699/2675-5327.2009.23828

I. Franz

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引用次数: 2

摘要

在这篇简短的笔记中，我介绍了在巴西南部南里奥格兰德州Campo Bom市和Dois irm os市(29º37'S, 51º03'W)之间的森林片段中发现的簇毛大角Antshrike, Mackenziaena severa (Lichtenstein, 1823年)的记录，接近其历史上最南端的记录(Igrejinha, 1880年左右)。该州最近已知的物种记录(20世纪下半叶)都在西北300公里处。我认为这里记录的标本是一个小型宗教种群的一部分，并不代表最近从其他地区重新殖民的事件。关键词:丛头蚁，分布，种群，大西洋森林，巴西南部

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Redescoberta de Mackenziaena severa (Lichtenstein, 1823) (Aves: Thamnophilidae) no limite sul de sua distribuição geográfica, Rio Grande do Sul, Brasil

In this short note I present records of the Tufted Antshrike, Mackenziaena severa (Lichtenstein, 1823), in a forest fragment located between the municipalities of Campo Bom and Dois Irmãos (29º37’S, 51º03’W), state of Rio Grande do Sul, southern Brazil, close to its previous historical southernmost record (Igrejinha, around 1880). Recent records known for the species in the state (second half of the 20th century) are all from 300 km northwestward. I suggest that the specimens recorded here are part of a small relictual population and do not represent an event of recent re-colonization from other areas. Keywords: Tufted Antshrike, distribution, relictual population, Atlantic Forest, southern Brazil.

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Lundiana: International Journal of Biodiversity

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