Dogs can learn more than 1000 words.
Big happy “helicopter” tail wagging is one sign of a really nice dog
Puppies grow to half their body weight in the first four to five months The fastest breed, the Greyhound, can run up to 44 miles per hour Perky-eared dogs hear sounds better than floppy-eared dogs. There are about 400 million dogs in the world. There are hundreds of breeds of dogs. The average dog lives 10 to 14 years. The world’s oldest breed, the Saluki, originated in Egypt around