White-winged Tern
| Gender | undetermined |
| Age | adult |
| Plumage | breeding plumage |
| Recorded | 2012-04-20 |
| Location | Donaudelta, RO |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | adult |
| Plumage | non-breeding plumage |
| Recorded | 2008-09-03 |
| Location | Shirvan NP, AZ |
| Copyright | Ernst Weiss |
| Family | Terns |
| Status CH | rare migrant |
| References | en.wikipedia.org |
| vogelwarte.ch |
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