Mosquitoes don't just bite you, they also pee on you.
11
Sharks, like other fish, have their reproductive organs in their chests.
248
When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
20
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
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A scorpion can hold its breath for up to 6 days.
19