When cats are happy, they may squeeze their eyes shut.
10
Nicole Kidman is scared of butterflies.
65
Sheep, goats, octopuses, and toads have rectangular pupils.
7
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
Whales and dolphins can't taste anything other than salt.
11