Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Denmark has twice as many pigs as there are people.
66
The largest earthworm on record was found in South Africa and measured 22 feet.
151
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34