Three Native American women are about to give birth in their teepees and, according to custom, choose an animal skin on which to deliver.
The first woman chooses a deer skin and delivers a 6 pound boy.
The second somen chooses a bear skin and delivers a 7 pound boy.
The third woman chooses a hippopotamus skin and delivers a thirteen pound son.
The moral of the story?
The son of the squaw on the hippopotamus is equal to the sons of the squaws on the other two hides.