Canvasback
Aythya valisineria
Diving duck with chestnut head, gray back, and sloped profile. Winters in Bay Area wetlands eating pondweeds. Key waterfowl indicating healthy aquatic vegetation.
Plants that support Canvasback
2 plants
American Bulrush
Schoenoplectus americanus
grass
Winter staging and migration stopover in Central Valley; Sep-Apr
Bay Area native
Hardstem Bulrush
Schoenoplectus acutus var. occidentalis
grass
Important wintering waterfowl in California wetlands, critical fall migration fuel Sep-Nov
Bay Area native