"This ... resource for both trackers wildlife professionals features more than 650 color photos, line drawings, and range maps to illustrate and describe the tr

The first-ever reference to the sign left by insects and other North American invertebrates includes descriptions and almost 1,000 color photos of tracks, egg c

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

'Never have I felt so connected to the natural world than when trailing . . . The direction of the wind is noted almost subconsciously, the alarm calls of birds

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