The largest earthworm on record was found in South Africa and measured 22 feet.
151
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
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
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A group of unicorns is called a blessing.
304
The most expensive cow in the world was sold in 2009 for $1.2 million.
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