Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
When dragonflies mate, their tails form a love heart.
22
Alligators can live up to 100 years.
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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
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Gorillas can catch human colds and other illnesses.
205