What is a dog?

Dogs are domesticated mammals, scientifically known as Canis lupus familiaris, that have been bred by humans for thousands of years for companionship, work, and protection. They are known for their loyalty, intelligence, and ability to form strong bonds with humans. Dogs come in many breeds, sizes, and temperaments, making them one of the most popular pets worldwide. They require regular exercise, proper nutrition, and veterinary care to stay healthy and happy.