Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
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
Lobsters have blue blood.
476
Penguins have a gland above their eye that turns saltwater into freshwater.
12
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
The octopus does not have a blind spot.
273
Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19