. . . . . . . "1944-01-01T00:00:00Z"^^ . . "Anas platyrhynchos" . . "Myriophyllum sibiricum" . . "Stoudt, J.H. 1944. Food preferences of mallards on the Chippewa National Forest, Minnesota. Journal of Wildlife Management 8:100-112." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .