. . . . . . . "1980-01-01T00:00:00Z"^^ . . "Anas platyrhynchos" . . "Hyalella" . . "Sugden, L.G. and E.A. Driver. 1980. Natural foods of mallards in Saskatchewan parklands during late summer and fall. Journal of Wildlife Management 44:705-709." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .