Not Specified Books Amphibians Of Oregon, Washington And British Columbia

Frogs, toads and salamanders are important indicators of the quality of the environment, and they’re cute little critters too. Newly revised and updated, this innovative field guide describes the life histories, habitat requirements and vulnerabilities of 38 species of amphibians in the Pacific Northwest, plus a new appendix of additional species. Color photographs and illustrated keys help identify all life stages of each species. As well, a multitude of fascinating details about amphibians are provided, including: · habitat preferences· tips for finding them· planning amphibian surveys· their activity through the seasons· guidelines for handling and measuring them· photography tips· a table that compares confusing species· current status.This handy, informative book is sure to be invaluable to biologists and field technician experts as well as to individuals on a family outing or school field trip.