首页> 外文期刊>The wilson journal of ornithology >Morphological Differences Between Nearctie and Eastern Palearctie Gray-headed Chickadees (Poecile cinctus)
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Morphological Differences Between Nearctie and Eastern Palearctie Gray-headed Chickadees (Poecile cinctus)

机译:Nearctie和东部古白头山雀(Poecile cinctus)之间的形态差异

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摘要

The geographic distribution of the non-migratory Gray-headed Chickadee (Poecile cinctus) straddles the continents of North America and Eurasia. Morphological variation in this species has been poorly studied, particularly regarding differences between Nearetic and adjacent Palearctic populations (subspecies lathami and cinctus, respectively). To evaluate geographic patterns of morphological variation between lathami and cinctus, we measured 24 variables . related to coloration and structure on 24 museum specimens. We found statistically significant average differences between specimens of lathami and cinctus in three plumage areas and three measures of bill size. Genetic analysis is needed to further quantify divergence in lathami.
机译:非迁徙的灰头山雀(Poecile cinctus)的地理分布横跨北美和欧亚大陆。对该物种的形态学变异研究很少,特别是关于近地种群和邻近的古北种群(分别为lathami和cinctus)之间的差异。为了评估lathami和cinctus之间形态变异的地理模式,我们测量了24个变量。与24个博物馆标本的颜色和结构有关。我们发现,在三个羽毛区域和三种尺寸的账单尺寸上,羊驼毛和胎毛的标本之间具有统计学意义的平均差异。需要进行遗传分析以进一步量化lathami中的差异。

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