Sloths take two weeks to digest their food.
243
Catgut comes from sheep not cats.
11
To find out if a watermelon is ripe, knock it, and if it sounds hollow then it is ripe.
84
A jellyfish is 95 percent water
34
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
Given the opportunity, deer will chew gum and marijuana.
40
Most tropical marine fish could survive in a tank filled with human blood.
54