Sloths take two weeks to digest their food.
243
A dairy cow can produce more milk when listening to music.
446
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
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
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
A 42-foot sperm whale has about 7 tons of oil in it.
209