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International Journal of Ecology
Volume 2012 (2012), Article ID 295463, 11 pages
http://dx.doi.org/10.1155/2012/295463
Research Article

The Role of Environmental Heterogeneity in Maintaining Reproductive Isolation between Hybridizing Passerina (Aves: Cardinalidae) Buntings

1Berry Biodiversity Conservation Center, Department of Zoology and Physiology, University of Wyoming, 1000 E. University Avenue, Laramie, WY 82071, USA
2Institute of Evolution and Ecology, University of Tübingen, Auf der Morgenstelle 28, 72076 Tübingen, Germany

Received 25 June 2011; Revised 8 September 2011; Accepted 27 September 2011

Academic Editor: Zachariah Gompert

Copyright © 2012 Matthew D. Carling and Henri A. Thomassen. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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