Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
A lion in the wild usually makes no more than twenty kills a year.
186
Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
Only 3% of bird species have penises.
0
There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40