The largest earthworm on record was found in South Africa and measured 22 feet.
151
Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
271
Whales and dolphins can't taste anything other than salt.
11
The octopus does not have a blind spot.
273
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
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
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Sharks, like other fish, have their reproductive organs in their chests.
248