. . . . . . . . "1990-03-01T00:00:00Z"^^ . . "Anas rubripes" . . "Crangon septemspinosa" . . "Jorde, D.G. and J.R.B Owen. 1990. Foods of black ducks, Anas rubripes, wintering in marine habitats of Maine. Canadian Field-Naturalist 104:300-302." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .