This ranking counts down the 25 smartest dog breeds based on Stanley Coren's widely respected 2006 book The Intelligence of Dogs, which measured trainability and working intelligence across breeds ...

From the loyal Rough Collie to the lightning-fast Border Collie, these herding breeds combine beauty, brains, and heart. Known for their intelligence, work ethic, and family-friendly nature, Collies ...

Dog owners love praising their pups' intelligence, but canine smarts are more complicated than most people realize. Brain size doesn't predict cognitive ability — a November 2024 study in Biology ...