The Basenji dog is the only dog that is not able to bark.
4
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
Lobsters have blue blood.
476
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The oldest creature ever found was Ming the clam at an admirable 507 years old.
16
The cat brain weighs about 30g.
167
Alligators can live up to 100 years.
337