Hmm... Given that our BIG tabby cat catches rats, mice, sparrows, pigeons and occasional kestrel then leaves them on garage roof as bait for sea-gulls which are *such* better sport, I'd almost welcome some hen-sized v-raptors...
Cue cartoon of hen-house raiding fox staying to lunch, "A few ribs, Charlotta ?" "No thanks, Marietta, plenty of meat on his leg..."
Um, that thought prompted by brother-in-law's neighbour who breeds llamas and alpacas in Scotland. They look like sheep, they smell like sheep, they behave like sheep-- Until riled by fox or 'worrying' dogs, whereupon they attack like sheep-dogs...