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
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
The oldest recorded elephant lived for 82 years.
213
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Jellyfish as a species are actually older than dinosaurs and sharks.
383