Waiting for the next unwary small bird or vole

There have been a couple of instances lately that a pile of feathers have been left on the grass. Today I saw this fellow as I looked through the window. Thoughtfully he waited while I went to get my camera. I don`t know whether he got his meal or not as I ran out of time waiting. Certainly not a bird today. Possibly a field mouse or vole or even left hungry?

Done