Preheat oven to 350 degrees fahrenheit and line a baking sheet with parchment paper or a silicone baking mat.
Puree blueberries and mix with other ingredients in a large bowl until well combined.
Knead dough into ball and roll onto a floured surface 1/4 inch thick, cut with you cookie cutter of choice and prick with a fork to prevent bubbles.
Place on prepared baking sheet and bake for 20 to 25 minutes or until browned at the edges.
Cool and refrigerate.
Makes 25 to 30 Squirrels.