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
Only 3% of bird species have penises.
0
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Cows can sleep standing up, but they can only dream lying down.
745
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34