Including actual-size track illustrations and scat photos for dozens of animals this book is considered the modern bible of animal track and sign identification and spawned a renewal of interest in the field. 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.