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
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When you shave a guinea pig it looks like a little hippo.
19
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57