Hitler used the cyanide to commit suicide when he saw it worked on Blondi. Lassie is the favorite movie dog of animal experts, beating out Benji and Beethoven. The fastest dog, the Greyhound, can reach speeds of up to 41.7 miles per hour. The breed was known to exist in ancient Egypt as many as 6,000 years ago. Boxers were named after their habit of playing.
Greyhounds have better eyesight than any other breed of dog.
The seeing-eye dog, or any dog trained to guide the blind, canot tell a red light from a green one. When it lead its master across the street, it watches the traffic flow to tell when it is safe to cross. Contrary to popular belief, dogs do not sweat by salivating. They sweat through the pads of their feet. Though human noses have an impressive 5 million olfactory cells with which to smell, sheepdogs have 220 million, enabling them to smell 44 times better than man.