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
A dairy cow can produce more milk when listening to music.
446
The Basenji dog is the only dog that is not able to bark.
4
A group of unicorns is called a blessing.
304
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8