I`ve been waiting for this question ,
With .177 i only take side on and between the shoulder blade shots ( if you will) and the first three wood pigeons were shot side on heart/lung with the .22 Falcons.
The manner, in which these wood pigeons were despatched really impressed me, just instant "lights out" !
I was presented with a ( later lazed) 31 yd full on shot and because of the previous birds i took it. I settled the cross hairs half an inch to the right (our right) of the ridge plated bone and sent the .22 Falcon on it`s way. The pigeon