Denmark has twice as many pigs as there are people.
66
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
The elephant brain weighs about 6,000g.
274
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11