Domestic dogs, or Canis lupus familiaris, are domesticated mammals that belong to the family Canidae. They are descendants of wolves and have been bred for thousands of years for various traits, resulting in a wide range of breeds. Dogs are known for their loyalty, companionship, and ability to perform various tasks, such as herding, hunting, and providing assistance to humans. Dogs are social animals that thrive on interaction with humans and other animals. They communicate through vocalizations, body language, and facial expressions. Proper care, including regular exercise, a balanced diet, and veterinary check-ups, is essential for their health and well-being.