Life … Animals Chordates Birds Waterfowl Ducks, Geese, and Swans Mallards, Pintails, and Allies Yellow-billed Duck species 6,521 observations Yellow-billed Duck Anas undulata Field notes Supported by All 2 native plantssupport it in the US Food plants Plants it feeds on Coontail, Fennel-leaf Pondweed 2 Close
