Montana Cooperative Wildlife Research Unit, University of Montana

Dept. Evolutionary Ecology, MNCN-CSIC, Madrid, Spain

Biological Sciences, Clemson University (retired)

University of Ottawa

Henry L. and Grace Doherty Chair in Freshwater Biology Research, Professor of Biology …

Professor of Wildlife, Humboldt State University, Cal Poly Humboldt

Associate Professor, Arizona State University

FitzPatrick Institute of African Ornithology, University of Cape Town

Estación Experimental de Zonas Áridas (EEZA), CSIC

Chapman University