There wasn't a single pony in the Pony Express, just horses!
57
At birth, a panda bear is smaller than a mouse.
40
If a man could run as fast for his size as an ant can, he could run as fast as a racehorse.
108
Baby robins eat 14 feet of earthworms every day.
13
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
A cat's jaws cannot move sideways.
194
Certain frogs (like the Wood Frog) can be frozen, thawed, and survive!
196