So you can tell them from flamingos !
Medium Pizzas
Thought of this one on my own while playing WoW a couple days ago and I'm pretty sure it hasn't been told before. I like corny jokes. I Googled it and didn't find anything (:
A: He hides in an acorn and waits for a bird to carry him up.
By tying a knot on its tail.
If it didn't stand on any, it would fall over.
Because if he lifted up both legs it would fall over !