. . . . . . . "1961-02-01T00:00:00Z"^^ . . "Anas americana" . . "Zostera marina" . . "Yocum, C.F. and M. Keller. 1961. Correlation of food habits and abundance of waterfowl, Humboldt Bay, California. California Fish and Game 47:41-54." . . . . "Allen Hurlbert. 2017. Avian Diet Database." .