If you can afford Purdeys you can afford a gentleman's gentleman with a simple Baikal and save yourself the effort. Alternatively, chain your leopard to the tree.
It is virtually impossible to rid yourself of avian cockroaches, but Amazon say thanks for the cash.
Can anyone recommend solutions for pigeons roosting in a tree above an outdoor seating area (with expected results 💩)? I’d really rather not remove it, as that’s just sad. But I’ve tried a few gimmicky Amazon options - reflective ribbons, owls, etc. - and they don’t seem to be very effective so far...