Cats and dogs can hear ultrasound.
350
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
The Basenji dog is the only dog that is not able to bark.
4
Dogs have four toes on their hind feet, and five on their front feet.
179
A man is more likely to get a woman's phone number if he is accompanied by a dog.
20
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Dogs have been man's pet for over 14,000 years.
224