Sharks have been on the planet longer than trees.
14
There wasn't a single pony in the Pony Express, just horses!
57
There are some species of snails that are extremely venomous.
72
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
49
At birth, a panda bear is smaller than a mouse.
40
Despite the hump, a camel's spine is straight.
43
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