A group of kittens is called a "kindle".
10
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
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
Gorillas can catch human colds and other illnesses.
205
Bats sleep 18-20 hours per day.
5
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
Cows can sleep standing up, but they can only dream lying down.
745
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19