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
Cats and dogs can hear ultrasound.
350
A dork is a whale's penis.
327
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Giant Anteaters' front legs look like a panda.
48