Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Dolphins sleep with one eye open!
52
One million people each year are bitten by animals in the United States.
7
A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Only 3% of bird species have penises.
0