When cats are happy, they may squeeze their eyes shut.
10
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
The colossal squid has the largest eyes in the world.
4
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
Bats sleep 18-20 hours per day.
5
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23