About the Author
ROBERT POWELL is professor of biology at Avila University in Kansas City, Missouri, and a research associate at the University of Kansas Natural History Museum in Lawrence. He has written hundreds of scientific articles and notes (many with student coauthors) and is coauthor or coeditor of seven books, including A Key to the Herpetofauna of the Continental United States and Canada (1998, 2nd edition 2012; with Joseph T. Collins and Errol D. Hooper).
ROGER CONANT was an American herpetologist, author, and conservationist.
The late JOSEPH T. COLLINS was the herpetologist with the Kansas Biological Survey and emeritus at the University of Kansas Natural History Museum, where he worked for thirty years. He was founder and director of the Center for North American Herpetology and author of many articles and books, most recently Amphibians, Reptiles, and Turtles in Kansas (2010; with Suzanne L. Collins and Travis W. Taggart).