Turkeys are non-aggressive so unless provoked Turkeys will not attack. Peck is a Turkey's only attack.
NOTE: A Turkey will be lost if Knocked Out over Shallow Water.
Instead of being killed, you will can only Knock a Turkey Out. Picking it up will reveal if it's a Turkey Gobbler, Turkey Hen, or rarely, a Fertile Turkey Hen. Dropping a Turkey from your inventory will set it loose. To kill a Turkey, you can right-click it and select "Wring Neck". Wringing the Neck of a Turkey adds a small amount of Insanity. Turkeys starve to death. Additionally a Turkey can be killed by placing them it a Container and letting it starve to death. Additionally, you may choose to raise your Turkey by placing it in a Turkey Coop.
Butchering a Domesticated Turkey will yield:
Butchering a Wild Turkey will yield:
There is a chance to get various rare items from butchering either a Domesticated or Wild Turkey. This chance is much higher with the Viscera & Bits Skill learned.