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
Vanilla flavoring is sometimes made with an ingredient from beaver pee.
82
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Condoms were originally made of animal intestines or linen.
347
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9