Seen enough now in free range setting to conclude hen's racket (cackling / egg song) facilitates regrouping with flock. Hen comes in with rooster and rest of flock, goes to nest and stays for about an hour, while flock wanders off. `When hen is done she leaves nest and makes her "I am done now" racket and rooster immediately responds and goes to collect and cover her as they return to flock. Sequence must be important because flock wanders a couple hundred feet from hen and she would have a hard time finding group without vocal communication.
Sound in hen house probable just serves to get rooster to cover her.
Sound in hen house probable just serves to get rooster to cover her.
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