Northern Forest Mammal Tracker Card. This 4 1/2" by 6 1/2" inch card categorizes tracks by walkers, waddlers, bounders and hoppers and gives hind and for print sizes in inches.

Book for ages 9-12 about life's work of our own Sue Morse by Stephen R. Swinburne, 48 pages. From the Scientist in the Field Series with pictures by Sue Morse.

Book by Lynn Levine and Martha Mitchell. This guide is waterproof for use in all types of weather and contains life-size track depictions.