Organized for in-the-field use or at-home reference, this guide brings together text, line drawings, range maps, and more than 1,000 color photographs to illust

Detailed track and trail data for 135 species with actual-size track illustrations.

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

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

A compendium of tracking information on animals, both exotic and familiar.