Dolphins have names for one another.
18
Sharks, like other fish, have their reproductive organs in their chests.
248
Cats sleep for 70% of their lives.
8
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2