The colossal squid has the largest eyes in the world.
4
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
Squirrels forget where they hide about half of their nuts.
698
Condoms were originally made of animal intestines or linen.
347
The elephant brain weighs about 6,000g.
274