The work to me is everything, and I would throw every rule overboard and send them to the bottom of the sea tomorrow, if I felt there were a more excellent way.
I've had a face-lift. I've had my eyes done; liposuction; the nose job - well, that was a long time ago.
I never found either this or the Northern Shrike return to such prey for food. I have seen them alight on the same thorn bush afterwards, but never made any use of this kind of food.