Dolphins sleep with one eye open!
52
A tuna fish can swim 100 miles in a single day!
29
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Given the opportunity, deer will chew gum and marijuana.
40
An adult giraffe's tongue is 17 inches long.
28