>>The turkeys were about 3/4's the size of the geese. One of the geese would hit a turkey in the thigh and momentarily cripple them, then the two would beat the turkey to death with their wings. Saw the first part happen and by the time I could get out to the 'bird yard' it was over.
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>I'm surprised. OTOH I've never raised turkeys so I haven't had a chance to see the behavior.

The turkeys raised here get about twice the size of a goose (not linear, but by mass or volume). A turkey drumstick of 0,7 kg isn't anything special.