Poser

When Arthur goes outside, the first thing he does is stick his muzzle in the air and sniff like mad. (He has outstanding nose mobility.) There is almost always a breeze blowing through the backyard with what must be a veritable cornucopia of smells because he'll stand there for a good minute or two, acting like some kind of hound dog on the scent of a wild animal. Tally ho!

It's all for show, however, because I know for a fact that he is somewhat smell deficient. I've seen him stroll right past cats and not because he was playing it cool - if he doesn't see it or hear it, it doesn't exist.

Unless it smells like cheese.