Penguins have a gland above their eye that turns saltwater into freshwater.
12
When dragonflies mate, their tails form a love heart.
22
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
Two dogs were among the Titanic survivors.
262
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