The octopus' testicles are located in its head.
82
Only male fireflies can fly.
46
You are more likely to get attacked by a cow than a shark.
234
A shrimp's heart is in its head.
32
Gorillas can catch human colds and other illnesses.
205
We share 70% of our DNA with a slug.
218
Dolphins sleep with one eye open!
52