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 group of pugs is called a grumble.
10
A puppy is born blind, deaf, and toothless.
16
Dolphins have names for one another.
18
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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Female kangaroos have three vaginas.
2