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Bioacoustics article in J Mammalogy 87(1)

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Subject: Bioacoustics article in J Mammalogy 87(1)
From: "Brian R. Mitchell" <>
Date: Mon, 20 Feb 2006 15:58:58 EST
The following article in the current issue of J Mammalogy can be downloaded 

Jacobs, David S., Geeta N. Eick, M. Corrie Schoeman, and Conrad A. Matthee. 
2006. Cryptic species in an insectivorous bat, Scotophilus dinganii. Journal of 
Mammalogy 87(1):161-170.

In recent years many cryptic bat species have been unmasked by differences in 
their echolocation calls. The yellow house bat (/Scotophilus dinganii/) is 1 of 
3 species of /Scotophilus /currently described in southern Africa and is 
distinguished from the other 2 species by its size and yellow venter. Here we 
use genetic, morphological, and echolocation call data to show the existence of 
a cryptic species. We found that /S. dinganii/ consists of 2 forms, one that 
uses a peak echolocation frequency of 44 kHz and the other a peak frequency of 
33 kHz. Both forms have yellow venters. The 44-kHz phonic type is up to 15% 
smaller than the 33-kHz phonic type and differed genetically by an average 
cytochrome-b (/Cytb/) sequence divergence of 3.3%. Furthermore, combined 
phylogenetic analyses of /Cytb/ and control region sequences indicate that the 
phonic types are reciprocally monophyletic, suggesting that they are sibling 


Brian R. Mitchell
Adjunct Assistant Professor
Rubenstein School of Environment and Natural Resources
University of Vermont

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