A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Gorillas can catch human colds and other illnesses.
205
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Whales and dolphins can't taste anything other than salt.
11