There was a bear called Wojtek who was adopted by Polish soldiers during WW2. It carried ammunition, wrestled with soldiers, and drank beer.
40
Condoms were originally made of animal intestines or linen.
347
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
Sloths take two weeks to digest their food.
243
The seahorse is the only fish to have a neck.
12
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6