I am new to chickens.We bought 2 gold sexlink and 3 black sexlink the last week of april.By my count they are 18 weeks old. They were in the brooder in the house for 6 weeks.Then they went to their new coop for 3 weeks.Then at 9 weeks their run was also done. They spent a week in the run.Then we started letting them free range during the day. Every morning my DD lets them out of the coop and drops feed.They are more interested in getting out and about except one.We have 7 acres and 2 horses.They like to hang with the horses except for one black sexlink. Even with gate to run open she stays in the run 95% of the time and she is LOUD.I don't mind but she sounds like she is complaining.I wonder if she is broody but she stays out in the run most of the day and walks and scratches.Not taying in one spot.Nor is she fluffed up as I have read a broody hen is. She chooses to stay in the run. WHy would she do this?