If the turkey is approaching you, it's a cluck; if it's leaving, then it's an alarm putt. BTW, I've had great success "cancelling" alarm putts from errant hens and jakes who have walked in on me by cutting loudly over their alarm putts. It will put the old boy at ease. I even brought in a gob this spring who stood off 40 yds alarm putting cause he caught my partner's movement; I just cutt over his alarm putts, and he soon forgot why he was putting...
-fsh