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
When dragonflies mate, their tails form a love heart.
22
Cats sleep for 70% of their lives.
8
The Basenji dog is the only dog that is not able to bark.
4
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Sheep, goats, octopuses, and toads have rectangular pupils.
7