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A comprehensive reference that summarizes the current knowledge about the 56 turtle species of the US and Canada, of which 13 are protected under the Endangered Species Act. Each of the species accounts includes sections on recognition, karyotype, fossil record, distribution, geographic variation, confusing species, habitat, behavior, reproduction, biology, growth and longevity, food habits, populations, and predators. The authors also include a discussion of turtle anatomy, a key to species identification, a pronunciation glossary for scientific names, and an extensive bibliography. Illustrated with color plates and b&w photographs of each species, anatomical line drawings, and distribution maps. Annotation copyright Book News, Inc. Portland, Or.