Cats and dogs can hear ultrasound.
350
Dogs have been man's pet for over 14,000 years.
224
Two dogs were among the Titanic survivors.
262
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
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Dogs can make about 100 different facial expressions.
18
The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
2