Sharks, like other fish, have their reproductive organs in their chests.
248
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
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
Bats sleep 18-20 hours per day.
5