Lobsters have blue blood.
476
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Early American humans hunted car-size armadillos and used their shells for houses.
12
Jumping fleas can accelerate 50 times faster than the space shuttle.
218
A scorpion can hold its breath for up to 6 days.
19
Drivers kill more deer than hunters do.
660
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20