Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
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
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
A group of kittens is called a "kindle".
10
Bats sleep 18-20 hours per day.
5