Caspian Gull
| Gender | undetermined |
| Age | adult |
| Plumage | breeding plumage |
| Recorded | 2007-04-16 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | adult |
| Plumage | non-breeding plumage |
| Recorded | 2006-01-03 |
| Location | Romanshorn, CH |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | 2nd calendar year |
| Plumage | 1st winter |
| Recorded | 2012-01-04 |
| Location | Romanshorn, TG, CH |
| Copyright | Beat Rüegger |
| Family | Gulls |
| Status CH | irregular visitor |
| References | en.wikipedia.org |
| vogelwarte.ch |
13 | 37