Lesser Black-backed Gull
| Gender | undetermined |
| Age | adult |
| Plumage | non-breeding plumage |
| Recorded | 2007-02-04 |
| Location | Nimmo's Pier, Ireland |
| Copyright | Stéphane Aubry |
| Gender | undetermined |
| Age | adult |
| Plumage | non-breeding plumage |
| Recorded | 2012-10-04 |
| Location | Matalascañas, Andalucia, ES |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | 1st calendar year |
| Plumage | 1st winter |
| Recorded | 2012-10-04 |
| Location | Matalascañas, Andalucia, ES |
| Copyright | Beat Rüegger |
| Family | Gulls |
| Status CH | uncommon migrant, uncommon winter visitor |
| References | en.wikipedia.org |
| vogelwarte.ch |
4 | 14