Squirrels forget where they hide about half of their nuts.
698
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Condoms were originally made of animal intestines or linen.
347
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2