Bucephala islandica
Member of
goldeneyes and bufflehead (genus Bucephala)
ducks, geese, and swans (family Anatidae)
waterfowl (order Anseriformes)
waterbirds
birds (class Aves)
animals (kingdom Animalia)
Chris’s observations: none
Taxon info: iNaturalist – AllAboutBirds
Bay Area species: iNaturalist