Cavalier king charles spaniel https://gingercavalier.com/blog/cavalier-king-charles-spaniels-one-of-the-best-breeds - A group of domesticated animals #cavalierkingcharlesspaniel with similar behavior, similar appearance or the characteristics that distinguish it from other organisms of the same species is called a breed. The breed is presumably related by descent from the common ancestors. From prehistoric times, people have been breeding dogs. People used to breed dogs from pre-historic times to perform various tasks like hunting, herding, guarding, etc.