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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 
from 
http://www.uvm.edu/~bmitchel/Bioacoustics.html

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.

ABSTRACT:
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 
2 
phonic types are reciprocally monophyletic, suggesting that they are sibling 
species.

Brian

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

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