We think it was the neighbours dog. No proof but a lot of evidence. If I were to put up a larger fenced area how high does it need to be? There is a lot of tree coverage and we are north of Toronto. Not much risk from hawks.
We are new to the backyard chicken game. We built a great (and very secure) chicken coop and rushed out and got 10 hens and a rooster in May. They get locked in at night and roam all day. Today we arrived home and found the girls in in the coop and no sign of the rooster. We did find him...