Arctic Tern
| Gender | undetermined |
| Age | adult |
| Plumage | breeding plumage |
| Recorded | 2010-07-18 |
| Location | Varanger, N |
| Copyright | Beat Rüegger |
| Gender | undetermined |
| Age | adult |
| Plumage | breeding plumage |
| Recorded | 2007-07-18 |
| Location | Spitzbergen |
| Copyright | Marcel Burkhardt |
| Gender | undetermined |
| Age | 1st calendar year |
| Plumage | juvenile plumage |
| Recorded | 2006-10-21 |
| Location | Kesswil, CH |
| Copyright | Fritz Sigg |
| Gender | undetermined |
| Age | 1st calendar year |
| Plumage | juvenile plumage |
| Recorded | 2007-11-21 |
| Location | Zürich, CH |
| Copyright | Beat Rüegger |
| Family | Terns |
| Status CH | rare migrant |
| References | en.wikipedia.org |
| vogelwarte.ch |
3 | 3