The most thorough treatment of the subject ever published, this amazing guide brings together clear track and trail illustrations, range maps, and full-color photographs showing feeding signs, scat, tunnels, burrows, bedding areas, remains, and more, to give a wealth of information about hundreds of mammal species living in North America. How to find, identify, measure, and interpret the clues mammals leave behind--explained and illustrated like never before. Includes essays that contextualize tracking as a developing science continually garnering more interest and participation; included also are instructive anecdotes from the author's work as a tracker and wildlife expert. An invaluable resource for beginning or professional trackers and wildlife enthusiasts in all North American locations.