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| Rapportør: | Paal-Magnus Solvang |
| Observatører: | Paal-Magnus Solvang |
| Site: | Flagghaugen () |
| Date: | 2025-04-28 |
| Aktivitet: | Spring phenology |
Funn
| Art: | Black-headed Gull (Chroicocephalus ridibundus) | |
| Merknad: | 5 stk obs | |
| Phenophase: | Arrival | 28.04.2025 |