Portuguese Water Dog for everyone. Because of their intelligence and working drive, they require regular intensive exercise as well as mental challenges. They are gentle and patient — but not "couch potatoes", and boredom can cause them to become destructive. One theory proposes that some of the dogs left the Asian steppes with the Goths, a confederation of German tribes. Some, (the Ostrogoths), went west and their dogs became the German poodle, called in German the poodle-hund or puddle-dog—that is, water-dog. Others, the Visigoths, went south to fight the Romans, and their dogs became the Lion Dog, groomed in the traditional lion cut.
Origin of the domestic dog the indigenous peoples of Siberia, East Asia, North America, and Australia. The domestic dog was the first species and the only large carnivore to have been domesticated. Over the past 200 years, dogs have undergone rapid phenotypic change and were formed into today's modern dog breeds due to artificial selection imposed by humans. These breeds can vary in size and weight from a teacup poodle to a giant mastiff. The skull, body, and limb proportions vary significantly between breeds, with dogs displaying more phenotypic diversity than can be found within the entire order of carnivores. Some breeds demonstrate outstanding skills