When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
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 elephant brain weighs about 6,000g.
274
The colossal squid has the largest eyes in the world.
4