Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
A lion in the wild usually makes no more than twenty kills a year.
186
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
A cow produces around 200,000 glasses of milk in her lifetime.
373