You learn something new every day. Here are a few unusual Dog Facts. A Big Gold Star to you if you already knew them all. The Basenji is the only breed of Dog that cannot bark. Dachsunds were first bred to fight Badgers. A Dogs heart rate is 70-120 beats per minute. The average life expectancy is 15 years. Dogs have two times as many muscles to move their ears as humans. Dogs Can see in colour and in 2D. The Greyhound is the fastest Dog, reaching speeds of 45 mph. The oldest officially recorded age of a Dog […]