Dogs have four toes on their hind feet, and five on their front feet.
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Dogs can make about 100 different facial expressions.
18
A puppy is born blind, deaf, and toothless.
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Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
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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.
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A group of pugs is called a grumble.
10
Dogs sometimes fake being sick to get attention.
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