David M Armstrong
David M. Armstrong
David M. Armstrong is a professor emeritus of ecology and evolutionary biology and environmental studies at the University of Colorado at Boulder, and the former director of the University of Colorado Museum. He is the author or co-author of several books including Rocky Mountain Mammals, Third Edition (UPC); Mammals of Colorado, Second Edition (UPC); Distribution of Mammals in Colorado; and Mammals of the Northern Great Plains.
Mammals of Colorado
Rocky Mountain Mammals
A Handbook of Mammals of Rocky Mountain National Park and Vicinity