Tigers can see 6 times better at night than humans.
305
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
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
Giant Anteaters' front legs look like a panda.
48
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34