Reference citation:
Madriz, M. 1983. Food habits of the Brazilian duck in Apure State, Venezuela. Journal of Wildlife Management 47:531-533.

Source citation:
Allen Hurlbert. 2017. Avian Diet Database.

Source archive URL:
https://github.com/Dryu0003/dietdatabase/archive/bbd9be71f5db476449b66d948e4938dce5900300.zip