During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
A group of pugs is called a grumble.
10
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20