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
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17