Mediterranean Gull
| Gender | undetermined |
| Age | adult |
| Plumage | breeding plumage |
| Recorded | 2020-07-07 |
| Location | Porspoder 29, FR |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | adult |
| Plumage | breeding plumage |
| Recorded | 2020-07-07 |
| Location | Porspoder 29, FR |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | adult |
| Plumage | non-breeding plumage |
| Recorded | 2006-11-26 |
| Location | Bienne, CH |
| Copyright | Stéphane Aubry |
| Gender | undetermined |
| Age | adult |
| Plumage | non-breeding plumage |
| Recorded | 2020-01-12 |
| Location | Rapperswil SG, CH |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | adult |
| Plumage | non-breeding plumage |
| Recorded | 2020-01-12 |
| Location | Rapperswil SG, CH |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | 1st calendar year |
| Plumage | 1st winter |
| Recorded | 1998-12-23 |
| Location | Olten, CH |
| Copyright | Beat Rüegger |
| Family | Gulls |
| Status CH | uncommon migrant, local winter visitor, irregular breeding bird |
| References | en.wikipedia.org |
| vogelwarte.ch |
16 | 28