Interesting Fact # 438 - Acorns

Back to trees.

Seemingly acorns are toxic to ponies and cattle, but not to pigs.

(Acorns are the fruit of the oak tree, but just to confuse you; an acorn nut is a metal nut where the thread does not go all the way through, which I guess would not be good for pigs either.)

Original photo by Andy Hay