The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
A giraffe's kick is so powerful that it can decapitate a lion.
216
Mosquitoes don't just bite you, they also pee on you.
11
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
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Lobsters have blue blood.
476