Moments ago I heard songbirds to the north giving warning calls for hawk and then saw Barn Swallows stooping at something approaching but obstructed from view by a stand of Smooth Sumac. I was positioned myself to see who was flying through and spied an adult female Coopers come within 20' of me before she realized I was tracking her. She made a quick adjustment and landed in one of our oak trees. The game roosters were giving alarm calls and doing their best to move out into open to display at hawk. Game hens and everyone else drifted towards cover. Hawk stayed for about a minute before flying to next perch out of sight and further south. Mother is hunting because kids are out of nest needing more eats than dad can readily get on his own. With mother out, small juvenile chickens will now be vulnerable to Coopers Hawks. Over last few weeks only chicks were at risk and that was only if the hen was not present.