Stercorarius parasiticus (Arctic Skua)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| NOF Hordaland | Vestland, Norway | 8 | 1 | 0 | 2008-05-06 |
| Odd Ivar Woll | Troms, Norway | 3 | 1 | 0 | 2010-05-14 |
| Erik Imerslund | Finnmark, Norway | 2 | 1 | 0 | 2012-05-20 |
| Hans Karl Karlsen | Nordland, Norway | 2 | 1 | 0 | 2008-05-20 |
| Billefjord Sjøsamiske Oppvekstsenter/Billefjord skole | Finnmark, Norway | 2 | 1 | 0 | 2009-05-28 |
| Arve Henningsen | Nordland, Norway | 2 | 1 | 0 | 2008-05-01 |
| Birger Knudsen | Finnmark, Norway | 1 | 1 | 0 | 2013-05-09 |
| Roald Inge Nilsen | Finnmark, Norway | 1 | 1 | 0 | 2014-05-11 |
| Knut-Are Nilssen | Troms, Norway | 1 | 1 | 0 | 2015-06-25 |
| Olaf Hunsdal | Troms, Norway | 1 | 1 | 0 | 2008-06-01 |
| Trond Helge Jensen | Troms, Norway | 1 | 1 | 0 | 2017-05-30 |
| Vadsø videregående skole | Finnmark, Norway | 1 | 1 | 0 | 1989-09-14 |
| Birger Knudsen | Finnmark, Norway | 1 | 1 | 0 | 2010-05-09 |
| Paal-Magnus Solvang | Nordland, Norway | 1 | 1 | 0 | 2020-07-10 |