Cats sleep for 70% of their lives.
8
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
Rattlesnake mating sessions have been known to last more than 22 hours.
232
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
Two dogs were among the Titanic survivors.
262
Sharks have been on the planet longer than trees.
14
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23