I' d bet when the furballs initially start barking the deer might pause and giv ethe area a once-over just to see if the cause of the barking is anything worth being concerned about, but if they don' t sense anything on their own, they' ll probably just go on about their business without regard for the little blabbermouths.

On the other hand, I' ve thrown stuff at tree rats when they sit in the next tree over from me, face me and are yelling their head off. Even if a deer might not spot me, it' s just darned disconcerting to have to listen to that racket when the squirell is in your face trying to give you away to whomever is in earshot.

If they are persistant enough, who knows, they may just end up with a bludgeon-tipped 2216 up their backside.