Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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The reindeer is the only mammal that can see UV light.
17
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Vampire bats adopt orphans, and are one of the few mammals known to risk their own lives to share food with less fortunate roost-mates.
402
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