Geographic Variation in Pipistrellus Hesperus
- 30 November 1970
- journal article
- Published by Oxford University Press (OUP) in Journal of Mammalogy
- Vol. 51 (4) , 741-765
- https://doi.org/10.2307/1378299
Abstract
Geographic variation in Pipistrellus hesperus consists of an eastern series of populations of large individuals and a western series of populations of small individuals, this situation perhaps resulting from historical changes in the distribution of deserts. Other facets of geographic variation involving color, sexual dimorphism, and variability are discussed in relation to climate, rainfall, and sexual differences in behavior.Keywords
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