Species
Larus occidentalis (Western gull)
Larus occidentalis. Photo: (c) Jamie Chavez, some rights reserved (CC BY-NC)
The western gull (Larus occidentalis) is a large white-headed gull that lives on the west coast of North America. It was previously considered conspecific with the yellow-footed gull (Larus livens) of the Gulf of California. The western gull ranges from British Columbia, Canada to Baja California, Mexico, and, because of its convenient colonies on the coast of California, it is well studied. Despite being a well-known bird species on the West Coast of the US, it…
Sightings
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