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Characterization Of A Contact Zone Between Two Subspecies Of The Big Brown Bat (Eptesicus Fuscus) In Nebraska, Justin D. Hoffman, Hugh H. Genoways
Characterization Of A Contact Zone Between Two Subspecies Of The Big Brown Bat (Eptesicus Fuscus) In Nebraska, Justin D. Hoffman, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
Two subspecies of the big brown bat (Eptesicus fuscus) are reported to occur in Nebraska. The eastern race, E. f. fuscus, is reportedly bigger and darker than its western counterpart E. f. pallidus. Where these 2 subspecies come in contact is the subject of debate. We used external, cranial, and colorimetric data to investigate geographic variation among populations of E. fuscus in Nebraska to determine the location of the zone of contact between E. f. fuscus and E. f. pallidus. We discovered significant variation in external, cranial, and colorimetric data, suggesting that E. fuscus is …