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A Field Guide to Animal Tracks. (The Peterson field guide series)
A Field Guide to Animal Tracks - The Peterson field guide series Author:Olaus Johan Murie Includes descriptions of the habits, habitats, tracks, signs, and ranges of all the mammals of North America. More than 1,000 illustrations show individual tracks, different track patterns, animals in their habitats, droppings, and gnawed trees - every type of clue the tracker needs.