Opossum tracks. a) Hind foot track b) front foot track c) trail pattern d) hind foot, note unusual arrangement of the toes e) front foot. Credit: Adapted from A Field Guide to Animal Tracks. Copyright 1950 by Olaus J. Murie. Copyright (c) 1974 by Margaret A. Murie. Reprinted by permission of Houghton Mifflin Company. All rights reserved. www.hmco.com.
