Ants have tiny magnetic compasses in their antennae which help them navigate.
9
When cats are happy, they may squeeze their eyes shut.
10
Sharks, like other fish, have their reproductive organs in their chests.
248
In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
22
A giraffe's kick is so powerful that it can decapitate a lion.
216
Female kangaroos have three vaginas.
2
Dogs have been man's pet for over 14,000 years.
224