Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Parrot parents "name" their children with a signature call.
112
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9