The public land bird I killed last season would not come to any calling, kept gobbling on the roost. But when I started to cross a gas line right of way that was shoulder high in blackberry stickers - and making a certain amount of noise in the process - he flew right down and landed in the stickers about 20 yards from me. All I could do was stand there and wait until I could see his waddles at about 12 steps and pop.

So the advice about scratching vs calling is worth taking.