Cows can sleep standing up, but they can only dream lying down.
745
Nicole Kidman is scared of butterflies.
65
Sheep, goats, octopuses, and toads have rectangular pupils.
7
The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12
One in three dog owners say they have talked to their pets on the phone.
427
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
When dragonflies mate, their tails form a love heart.
22