Geographical variation in bill size provides evidence for Allen’s rule in a cosmopolitan raptor
نویسندگان
چکیده
منابع مشابه
Geographical variation in bill size across bird species provides evidence for Allen's rule.
Allen's rule proposes that the appendages of endotherms are smaller, relative to body size, in colder climates, in order to reduce heat loss. Empirical support for Allen's rule is mainly derived from occasional reports of geographical clines in extremity size of individual species. Interspecific evidence is restricted to two studies of leg proportions in seabirds and shorebirds. We used phyloge...
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Evidence for Frozen-Niche Variation in a Cosmopolitan Parthenogenetic Soil Mite Species (Acari, Oribatida)
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ژورنال
عنوان ژورنال: Global Ecology and Biogeography
سال: 2019
ISSN: 1466-822X,1466-8238
DOI: 10.1111/geb.13007