Animal Tracks provides a handy, simplified field reference to familiar tracks and signs of over 65 North American mammals and birds. An introduction to the tracks and signs of familiar North American species. Features a ruler for measuring animal tracks. Laminated for durability. Ideal for field use by novices and experts alike. A great source of portable information. Illustration count: 65. Size (folded): 8.25 x 3.5 in.. Weight: 1 oz.. Author: James Kavanagh. Illustrations: Raymond Leung 9781583550724 20520800012 100600