Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
There are approximately three chickens for every human on Earth.
13
A lion in the wild usually makes no more than twenty kills a year.
186
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
Only 3% of bird species have penises.
0
Jellyfish as a species are actually older than dinosaurs and sharks.
383
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