Reference citation: Summers, R.W. and A. Grieve. 1982. Diet, feeding behaviour and food intake of the upland goose (Chloephaga picta) and ruddy-headed goose (C. rubidiceps) in the Falkland Islands. Journal of Applied Ecology 19:783-804.
Source citation: Allen Hurlbert. 2017. Avian Diet Database.
