The Real Story of Toxins and Tannins

Did you know that acorns contain a toxic substance called tannin It is bitter tasting and makes it hard for the squirrel to digest its food. Just like fat content, red and white oak acorns contain different amounts of tannin. Red oaks acorns are 6-10% tannin. White oak acorns are only less than 2% tannin.

Test Yourself

If you were a squirrel, which type of acorn would you like to eat most?


Hint: Digesting food requires energy. Squirrels want to exert the least amount of energy when eating.

White Acorns

Red Acorns