A dragonfly has a lifespan of 24 hours.
24
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
You are more likely to get attacked by a cow than a shark.
234
The male platypus has poisonous spurs on its legs.
58
The sloth (a mammal) moves so slowly that green algae can grow undisturbed on its fur!
104
Goldfish remember better in cold water than warm water.
29
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
The oldest recorded elephant lived for 82 years.
213