Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Only 3% of bird species have penises.
0
The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
17
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8
Tigers can see 6 times better at night than humans.
305
The elephant brain weighs about 6,000g.
274