A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
13
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Jaguars frequently get high by eating hallucinogenic roots, which also increases their senses for hunting.
6
Lobsters have blue blood.
476
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Early American humans hunted car-size armadillos and used their shells for houses.
12
A 42-foot sperm whale has about 7 tons of oil in it.
209