A group of pugs is called a grumble.
10
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 can be trained to identify the scent of lung cancer long before symptoms develop.
190
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
251
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2
Dogs have four toes on their hind feet, and five on their front feet.
179