On the origin of the Galápagos hawk: an examination of phenotypic differentiation and mitochondrial paraphyly

1Wildlife and Ecology Unit, Veterinary Genetics Laboratory, University of California, One Shields Avenue, Davis, CA 95616, USA 2Section of Evolution and Ecology, University of California, One Shields Avenue, Davis, CA 95616, USA 3Department of Biology, University of Missouri – St Louis, St. Louis, MO 63121, USA 4Department of Zoology, University of Florida, PO Box 118525, Gainesville, FL 32611, USA 5Museum of Comparative Zoology, Department of Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA 6Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, One Shields Avenue, Davis, CA 95616, USA