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註釋"Some 300 species of amphibians inhabit North America. This volume reflects the enormous growth in interest about amphibians and the increased intensity of scientific research into their fascinating biology and continent-wide distribution that has occurred during the past two decades. This atlas presents the spectacular diversity of North American amphibians in a geographic context. It covers all formally recognized amphibian species found in the U.S. and Canada, many of which are endangered or threatened with extinction. Maps and accounts of each species provide current information about distribution, habitat and conservation. Researchers, professional herpetologists, and interested readers will value this volume as a guide and reference. Designed for portability, North American Amphibians features complete distribution maps and color photographs. "--