Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
A dork is a whale's penis.
327
Sheep, goats, octopuses, and toads have rectangular pupils.
7
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
Jumping fleas can accelerate 50 times faster than the space shuttle.
218