The Basenji dog is the only dog that is not able to bark.
4
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Cows can sleep standing up, but they can only dream lying down.
745
Nicole Kidman is scared of butterflies.
65
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Sharks have been on the planet longer than trees.
14
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25