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
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The elephant brain weighs about 6,000g.
274
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
The Basenji dog is the only dog that is not able to bark.
4
Early American humans hunted car-size armadillos and used their shells for houses.
12
The reindeer is the only mammal that can see UV light.
17