Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Dolphins have names for one another.
18
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The CIA once spent $20 million on a cat equipped with gear to spy on the Soviets, but it was hit by a taxi.
328
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6