| Common Name | Used in | Language | Type | Official Trade Name |
|---|---|---|---|---|
| Californische meeuw | Netherlands | Dutch | Vernacular | No |
| Gaviota occidental | USA | Spanish | Vernacular | No |
| Western gull | Canada | English | Vernacular | No |
| Western gull | Mexico | English | Vernacular | No |
| Western gull | USA | English | Vernacular | No |
| Western gull | Alaska | English | Vernacular | No |