Parrotfish make themselves a kind of mucus 'sleeping bag' which masks their smell from predators and keeps parasites away.
4
There is a species of clam that can grow up to four feet long and weigh up to 500 pounds.
89
In just about every species of mammal, the female lives longer than the male.
43
Honeypot ants are a unique insect that use their own bodies as living storage pots of honey.
4
Baby robins eat 14 feet of earthworms every day.
13
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
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
There wasn't a single pony in the Pony Express, just horses!
57