Penguins have a gland above their eye that turns saltwater into freshwater.
12
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
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
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18