A cow produces around 200,000 glasses of milk in her lifetime.
373
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Early American humans hunted car-size armadillos and used their shells for houses.
12
Alligators can live up to 100 years.
337
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21