Our rankings of the smartest dog breeds are based on the works of canine psychologist Dr. Stanley Coren, who wrote the seminal 1994 book The Intelligence of Dogs on the study of—surprise ...

A medium-sized dog, the Belgian Tervuren grows to a height of 22-26 inches. They have double coats that don't need to be brushed more than once a week, but it may take you close to 30 minutes to ...

Chaser, a South Carolina border collie, may not be the world’s smartest dog. But she sure has the biggest vocabulary, knowing just over 1,000 words. Her owner John Pilley, a retired experimental ...