Larus marinus (Great Black-backed Gull)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| magnus jenssen | Troms, Norway | 35 | 1 | 0 | 2021-04-24 |
| NOF Møre og Romsdal | Møre og Romsdal, Norway | 30 | 1 | 0 | 2012-05-20 |
| Frank Markussen | Nordland, Norway | 23 | 1 | 2 | 2019-06-27 |
| Heidi Esjeholm | Nordland, Norway | 20 | 1 | 0 | 2018-03-24 |
| Frede Thorsheim | Vestland, Norway | 17 | 1 | 0 | 2023-06-03 |
| Maren Erland | Vestland, Norway | 17 | 1 | 0 | 2014-01-05 |
| Unni R. Bjerke Gamst | Troms, Norway | 14 | 1 | 0 | 2024-01-27 |
| Alv Ottar Folkestad | Møre og Romsdal, Norway | 12 | 1 | 0 | 2022-01-30 |
| Heine A. Halstensen | Vestland, Norway | 12 | 1 | 0 | 2024-01-20 |
| Morten Brandt | Vestfold, Norway | 9 | 1 | 0 | 2023-01-22 |
| terje mittet | Vestland, Norway | 9 | 1 | 0 | 2022-02-06 |
| Birger Linga | Vestland, Norway | 8 | 1 | 0 | 2024-01-28 |
| Roger Engvik | Møre og Romsdal, Norway | 7 | 1 | 0 | 2024-01-20 |
| Tone horntvedt | Vestfold, Norway | 7 | 1 | 0 | 2024-01-27 |
| Sissel Moldeklev | Vestland, Norway | 7 | 1 | 0 | 2022-01-28 |
| Uregistrert hagefuglteller | Trøndelag, Norway | 6 | 1 | 0 | 2019-01-27 |
| Atle Ivar Olsen | Nordland, Norway | 6 | 1 | 0 | 2022-01-29 |
| Thor Åge Kristoffersen | Agder, Norway | 6 | 1 | 0 | 2023-01-29 |
| Jostein Solvang | Nordland, Norway | 5 | 1 | 0 | 2018-01-28 |
| Terje Vanglo | Rogaland, Norway | 5 | 1 | 0 | 2022-01-30 |
| Elisabeth Ek | Trøndelag, Norway | 5 | 1 | 0 | 2024-01-28 |
| Kristoffer Kiærbech | Troms, Norway | 5 | 1 | 0 | 2020-04-25 |
| Per Chr Storesund | Vestfold, Norway | 5 | 1 | 0 | 2016-01-31 |
| helena uhre eliassen | Nordland, Norway | 5 | 1 | 0 | 2021-01-31 |
| Roger Lien | Møre og Romsdal, Norway | 5 | 1 | 0 | 2023-02-04 |
| Håvar Hveding | Rogaland, Norway | 5 | 1 | 0 | 2024-01-22 |
| Anne Helen Robberstad | Rogaland, Norway | 5 | 1 | 0 | 2024-01-26 |
| Kåre Jakobsen | Nordland, Norway | 4 | 1 | 0 | 2024-01-27 |
| Einar O.J. Hunstad | Trøndelag, Norway | 4 | 1 | 0 | 2018-01-23 |
| Egil Berge | Trøndelag, Norway | 4 | 1 | 0 | 2024-01-28 |
| Inger Helen Fredvik Torkildsen | Rogaland, Norway | 4 | 1 | 0 | 2021-01-29 |
| Elias Holdø Rasmussen | Agder, Norway | 4 | 1 | 0 | 2012-04-24 |
| Nyborg skole | Trøndelag, Norway | 4 | 1 | 0 | 2004-06-09 |
| NOF Hordaland | Vestland, Norway | 4 | 1 | 0 | 2007-04-20 |
| Odd Wilhelm Surén | Vestland, Norway | 4 | 1 | 0 | 2024-01-27 |
| Ivar Schjetne | Vestland, Norway | 4 | 1 | 0 | 2016-01-31 |
| Kjell Ove Bonnez | Rogaland, Norway | 4 | 1 | 0 | 2024-01-27 |
| Paul Havn | Nordland, Norway | 4 | 1 | 0 | 2015-01-25 |
| rigmor | Nordland, Norway | 4 | 1 | 0 | 2019-01-27 |
| Silje Skrede | Møre og Romsdal, Norway | 4 | 1 | 0 | 2014-11-21 |
| Peggy Thorbjørnsen | Oslo, Norway | 4 | 1 | 0 | 2024-01-30 |
| Odd Hallaråker | Vestland, Norway | 3 | 1 | 0 | 2016-01-31 |
| Trine Lise Fjelldal | Møre og Romsdal, Norway | 3 | 1 | 0 | 2020-01-26 |
| Eva Annie Frantzen | Troms, Norway | 3 | 1 | 0 | 2024-01-28 |
| Lena Helvik | Vestland, Norway | 3 | 1 | 0 | 2024-01-22 |
| Hanna Cesilie Brattsti | Troms, Norway | 3 | 1 | 1 | 2016-02-07 |
| Roar Skjeret | Møre og Romsdal, Norway | 3 | 1 | 1 | 2022-05-04 |
| Anders Braanaas | Vestland, Norway | 3 | 1 | 0 | 2015-01-26 |
| Steinar Åheim | Møre og Romsdal, Norway | 3 | 1 | 0 | 2019-01-20 |
| Terje Welle Busk | Telemark, Norway | 3 | 1 | 0 | 2023-01-22 |