herdwick, this will hark back to the days when many people believed there were different strains around the country, back when hunting with hounds was proper many consider there to be different strains with the big grayish leggy greyhound fox being the superior. i think back then it was quite possible, but due to better and better networks of hunts and transport, many foxes were shifted about and we have ended up with a fairly standard fox throughout the UK, we are an island after all.
i think these greyhound foxes were also commonly known as hill foxes, there were also considered to be lo