Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Condoms were originally made of animal intestines or linen.
347
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
The elephant brain weighs about 6,000g.
274
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Rattlesnake mating sessions have been known to last more than 22 hours.
232