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
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
-12
A cat rubs against people not only to be affectionate but also to mark out its territory with scent glands around its face. The tail area and paws also carry the cat's scent.
293
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
The Basenji dog is the only dog that is not able to bark.
4
Gorillas can catch human colds and other illnesses.
205