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A field guide to mammal tracks with detailed illustrations, concise useful information, and a key for identification

Test your ability to "read" the wilderness environment Dozens of illustrated examples of animal behaviors and the resulting sign Beautiful nature photographs co

The most comprehensive reference guide to mammal tracks and sign for North America. This new edition is more visual, with more than 1300 photos and 450 illustra

Songbirds, waterfowl, owls, shorebirds, warblers, woodpeckers, nightjars, birds of prey. Dozens of feather groups photographed in color.