If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
A cat can jump FIVE TIMES as high as it is tall!
371
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