See Who's Sharing the Trail With You—How to Identify Animal Tracks.
Not normally a fan of printables like this, but here is a good set of free PK printables for learning about animals of the forest
List of Christmas Crafts for Kids to Create - Crafty Morning
Sciences - Peau des animaux
Sciences - peau des animaux
Tierspuren "Wer war da?"
Monarch Emerging from a Chrysalis
Zoo-Themed Activities for Preschool and Kindergarten, including free printables, from The Preschool Toolbox at Squidoo
Free specimen printables