We have 8 (almost 7 week old chicks). They have been staying outside in their coop and have just started using their automatic door to enter their run at dawn and return at dusk. Their coop/run is enclosed on all 4 sides and from above and has a wire mesh apron around the outside as well. We know we have various predators (fox, raccoon, coyote, hawks) and figure that the coop/run should be almost as secure as we can get it. These last 2 days a fox has been coming around during the day and tormenting the chicks in their run. The fox is running from side to side and the chicks are flying everywhere. A few of the chicks have injured their beaks as they chaotically fly around the run. The fox only ran off after we realized what was happening and we ran out to scare him off. Does anyone have any suggestions on how to prevent this from happening? At this point, I am not overly concerned about the fox getting into the coop/run, but more about him tormenting the chicks and them injuring themselves. I have considered an electric fence, but hoping somebody has a better recommendation or has experienced something similar. Thank you!