The McNab dog is a native stockdog of Northern California by way of the Grampian Hills of Scotland. Alexander McNab came to the United States from Glasgow, Scotland in 1868. He developed the McNab and the first mention of this breed was in 1885. They are described as having the smarts of a Border Collie and the playful antics of a Terrier. Overall, this breed is energetic and intelligent and requires a lot of exercise.