Maggots will only eat flesh if it is dead. For this reason, they are often used to remove the burnt skin from severe burn patients.
26
If NASA sent birds into space they would soon die; they need gravity to swallow.
146
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
It has been estimated that a bite from a grizzly bear can crush a bowling ball.
11
The octopus does not have a blind spot.
273
It is possible for a scorpion to sting itself to death as they are not immune to their own poison!
39
Only female bees work.
20
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12