期刊
CONDOR
卷 107, 期 2, 页码 327-341出版社
OXFORD UNIV PRESS INC
DOI: 10.1650/7647
关键词
biodiversity; Neotropics; Percnostola; speciation; systematics; tepuis; Thamnophilidae
类别
We document the first records for Guyana of Roraiman Antbird (Percnostola [Schistocichla] leucostigma saturata), an endemic of the tepui highlands of southeastern Venezuela, northern Brazil and western Guyana. This form is well differentiated from nominate leucostigma (Spot-winged Antbird) of the Guianan lowlands in morphology, vocalizations, and genetics, and replaces it both altitudinally and ecologically. The two taxa are distributed parapatrically on the continuously forested northeastern slopes of the eastern tepuis, and they almost certainly come into contact, yet there is no evidence of intermediacy. We recommend that saturata be treated as a distinct species of Percnostola, and consider its ' origin in the light of various models of speciation in the tepuis.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据