The revised edition of this well-loved guide is the essential reference for the identification of amphibians and reptiles in the Great Lakes region. Fully updated treatments of over 70 species feature detailed information on the distribution, habitat, behavior, and life history of these fascinating animals. This edition includes all new distribution maps as well as 90 additional color photographs showing close-ups of distinguishing features, common color phases, and different metamorphic stages. A thorough introduction provides a wealth of information on the evolution, natural history, classification, and conservation of these animals and examines changing Great Lakes ecosystems and their impact on herpetological diversity. Amphibians and Reptiles of the Great Lakes Region is a must-have resource for teachers, students, naturalists, professional biologists, and anyone else with an interest in this region's ecology.