There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
40
Gorillas can catch human colds and other illnesses.
205
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
A scorpion can hold its breath for up to 6 days.
19
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
Sharks, like other fish, have their reproductive organs in their chests.
248
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4