Tundra swan
Cygnus columbianus
White swan with black bill and small yellow lore patch, migratory. Winters in Bay Area marshes grazing native vegetation. Waterfowl indicator of wetland quality.
Plants that support Tundra swan
2 plants
Big Leaf Sedge
Carex amplifolia
perennial herb
forages on sedge rhizomes and shoots during fall/winter migration staging Nov-Mar
Bay Area native
Horsetail
Equisetum hyemale ssp. Affine
perennial herb
Winter visitor; grazes horsetail in shallow water habitats Dec-Feb
Bay Area native