Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Jumping fleas can accelerate 50 times faster than the space shuttle.
218