👉 A greyhound is a breed of dog that originates from the United Kingdom and is known for its distinctive color, which is often described as "grey" or "black". Greyhounds are typically medium-sized dogs with a short, muscular build. They have a thick coat of fur, which is made up of fur on their head, body, legs, tail, and feet. The greyhound's coat is often referred to as "the black dog," due to the fact that its fur has