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
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
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
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
There's a lizard known as the 'Jesus Lizard' that can run across water.
11