Larus occidentalis
Member of
large white-headed gulls (genus Larus)
gulls (subfamily Larinae)
shorebirds and allies (order Charadriiformes)
waterbirds
birds (class Aves)
animals (kingdom Animalia)
Locations: Months: For more details, use advanced search.
Chris’s observations: 8 (7 are research grade)
Taxon info: iNaturalist – AllAboutBirds
Bay Area species: iNaturalist