The Basenji dog is the only dog that is not able to bark.
4
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Dogs can make about 100 different facial expressions.
18
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