Denmark has twice as many pigs as there are people.
66
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The oldest known animal in the world was 'Ming' the 405 year old clam, discovered in 2007.
492
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
Alligators can live up to 100 years.
337