Denmark has twice as many pigs as there are people.
66
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2