Some 300 species of amphibians inhabit North America. The past two decades have seen an enormous growth in interest about amphibians and an increased intensity of scientific research into their fascinating biology and continent-wide distribution. This atlas presents the spectacular diversity of North American amphibians in a geographic context. It covers all formally recognized amphibian species found in the United States and Canada, many of which are endangered or threatened with extinction. Illustrated with maps and photos, the species accounts provide current information about distribution, habitat, and conservation. Researchers, professional herpetologists, and anyone intrigued by amphibians will value North American Amphibians as a guide and reference.

Objectives of the study were to supplement existing inventory data for amphibians and reptiles in the park, and better assess the status of species listed as "Unconfirmed" or "Probably Present" in the species lists produced in 2003 for each Great Lakes Network park. Recommendations are made regarding inventory, monitoring and management of amphibians and reptiles in the park.