My grandpa said To put a duck out of its misery you put a towel over it (so you don’t have to see and it’s blinded) and twist its neck a few times. Then check for heart beat, blinking. Movement. Etc.
I have a flock of 2 drakes and 5 ducks, theyre in a closed coop with three roosters. I went into the coop today and one of the ducks had a broken neck. Nobody else was injured or dead. There was no blood, no apparent puncture wounds. I checked to see if she could have got stuck somewhere but...