Guide and reference to the snakes of Western North America.

A completely updated edition, including 122 newly recognized or recently established non-native species of reptiles and amphibians. The new edition of this definitive guide reflects 25 years’ worth of changes in our knowledge of reptiles and amphibians. It includes descriptions of 122 newly recognized or recently established non-native species, updated maps, and new figures and photos. Color illustrations and drawings show key details for accurate identification. More than 100 color photographs and 322 color distribution maps accompany the species descriptions. Clear and concise species accounts provide key characteristics, similar species, habitats, and ranges, as well as subspecies, voice descriptions, and conservation status. This edition will be a crucial resource for professional and amateur herpetologists, naturalists, outdoor enthusiasts, and students.

Comprehensive, informative, and fully-illustrated, these guides bring out theherpetofauna lover in readers.

Covering all 101 species of frogs in the United States and Canada, this book contains natural history information, identification tips, range and habitat information, summaries of behavior, and descriptions of calls. A 70-minute audio compact disc includes the calls of nearly every species.

A comprehensive guide to the insects of North America contains information--including life histories, behaviors, and habitats--on every major group of insects found north of Mexico.

Text and pictures combine to present 579 insect families.