A dairy cow can produce more milk when listening to music.
446
Sharks have been on the planet longer than trees.
14
Sheep, goats, octopuses, and toads have rectangular pupils.
7
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
When you shave a guinea pig it looks like a little hippo.
19
When cats are happy, they may squeeze their eyes shut.
10
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Whales and dolphins can't taste anything other than salt.
11