Pomarine Skua
| Recorded | 1997-11-21 |
| Location | Sempach, CH |
| Copyright | Ruedi Aeschlimann |
| Recorded | 2010-11-19 |
| Location | Oberkirch, LU, CH |
| Copyright | Beat Rüegger |
| Family | Skuas |
| References | en.wikipedia.org |
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