Quoting Wolf's Song:" Can't say as that I have, but if you do some research on them (google harrier activity levels), it will give you an idea "
Ive been trying to lol apparently they are super crazy!! (known as a beagle on steroids) lol they are very rare tho so it makes me wonder if he is really one. the groomer at petsmart is the one who told me thats what he had to be lol ( i was originally told fiest terrier) but anyways he looks exactly like them and has all the charachteristics. so it makes me think he is full blooded rather than just mixed. He is the friendliest dog and the fastes!! there is a german shepard puppy in my neighborhood n they like to play but that german shepard couldnt even come close to keeping up with mine lol he was running circles around him!