Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
Dogs have four toes on their hind feet, and five on their front feet.
179
Cats and dogs can hear ultrasound.
350
A puppy is born blind, deaf, and toothless.
16
One in three dog owners say they have talked to their pets on the phone.
427