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
A group of pugs is called a grumble.
10
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Tigers can see 6 times better at night than humans.
305
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
The largest earthworm on record was found in South Africa and measured 22 feet.
151