Distribution and systematic relationship of Tadarida bivittata and Tadarida ansorgei (Chiroptera: Molossidae)

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Abstract
Morphologically similar Tadarida bivittata and T. ansorgei inhabit dry, woodland savannah areas of central Africa, where they are partially sympatric. Specimens of these species were divided into population samples based on geographic proximity. Multivariate analysis of variance indicated that both species are sexually dimorphic. Results of principle components analysis illustrated interspecific differences. In areas of sympatry, specimens were subjected to discriminant analysis to confirm their identity. Based on this analysis, classification functions are provided as a useful aid for identifying the two species.

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