"The frogs, toads, salamanders, and newts that inhabit North America, numbering nearly 300 species, represent immense variation in form, habitat, distribution a

A guide to amphibian species of the North American continent, excluding Mexico, including range maps, identification keys and detailed color illustrations.

Covering all 101 species of frogs in the United States and Canada, this book contains natural history information, identification tips, range and habitat inform

Presents a comprehensive guide to reptiles and amphibians of North America, and contains full-color illustrated photographs and drawings that describe eighty-tw

A dichotomous key (that is, one that gives the user only two choices at each level of morphological scrutiny), it is designed for use in college-level herpetolo