Casey McFarland

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 illustrations for easy comparison and identification of similar sign. Each species account includes information on tracks and trails, scat and ur...

Over 400 photos of representative feathers from 379 species

How to identify not only what bird a feather came from but also what kind of feather it is

Range maps and wing type given for each bird
This guide teaches birders to use the characteristics of wing types and fea...