Larus marinus (Great Black-backed Gull)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Åse Lauritzen | Telemark, Norway | 1 | 1 | 0 | 2023-01-30 |
| Sigvard Petter Riste | Møre og Romsdal, Norway | 1 | 1 | 0 | 2024-01-27 |
| Tormod Godøy | Vestland, Norway | 1 | 1 | 0 | 2024-01-24 |
| Richard Hansen | Vestland, Norway | 1 | 1 | 0 | 2019-01-27 |
| STEPHAN KARL ROSSNER | Møre og Romsdal, Norway | 1 | 1 | 0 | 2020-01-25 |
| Solvor Nesbakken | Vestfold, Norway | 1 | 1 | 0 | 2022-01-30 |
| Svein Arnesen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2021-02-07 |
| Johan Sirnes | Nordland, Norway | 1 | 1 | 0 | 2023-01-29 |
| Helene Odden-Gravdahl | Vestfold, Norway | 1 | 1 | 0 | 2021-01-27 |
| Oddvar Årsheim | Møre og Romsdal, Norway | 1 | 1 | 0 | 2019-01-29 |
| Frode Reppe | Trøndelag, Norway | 1 | 1 | 0 | 2019-01-24 |
| Tryggheim Strand AS | Rogaland, Norway | 1 | 1 | 0 | 2019-02-07 |
| Trond Walter Svendsen | Nordland, Norway | 1 | 1 | 0 | 2020-01-26 |
| Tone Solheim | Rogaland, Norway | 1 | 1 | 0 | 2023-01-29 |
| Jørgen Bjerkestrand | Vestland, Norway | 1 | 1 | 0 | 2020-01-25 |
| Torill Iversen | Finnmark, Norway | 1 | 1 | 0 | 2022-01-26 |
| Sigmunn Hestad | Møre og Romsdal, Norway | 1 | 1 | 0 | 2023-02-04 |
| Sveinung Larsson | Vestland, Norway | 1 | 1 | 0 | 2022-03-18 |
| Marit Bergvoll | Vestland, Norway | 1 | 1 | 0 | 2020-03-08 |
| Håkon Solbakken | Nordland, Norway | 1 | 1 | 0 | 2023-01-29 |
| Antti Rissanen | Finnmark, Norway | 1 | 1 | 0 | 2020-01-25 |
| Per Herman Firing | Vestfold, Norway | 1 | 1 | 0 | 2024-02-04 |
| Ranveig Marie Nesse | Rogaland, Norway | 1 | 1 | 0 | 2024-01-27 |
| Børge Henanger | Vestland, Norway | 1 | 1 | 0 | 2021-01-01 |
| Pål Handelsby | Vestfold, Norway | 1 | 1 | 0 | 2024-01-12 |
| Monica Olsen | Rogaland, Norway | 1 | 1 | 0 | 2022-01-28 |
| Finn Våge | Rogaland, Norway | 1 | 1 | 0 | 2021-01-30 |
| Heidi ulfsnes | Møre og Romsdal, Norway | 1 | 1 | 0 | 2021-01-30 |
| Jan Erik Bergfjord | Vestland, Norway | 1 | 1 | 0 | 2023-02-04 |
| Une Hagen | Akershus, Norway | 1 | 1 | 0 | 2022-01-30 |
| Randi Elvira Hagen | Østfold, Norway | 1 | 1 | 0 | 2021-01-30 |
| Lloyd Kristensen | Agder, Norway | 1 | 1 | 0 | 2021-01-30 |
| Ragnhild Lyngved | Oslo, Norway | 1 | 1 | 0 | 2021-01-30 |
| Christer Reiråskag | Møre og Romsdal, Norway | 1 | 1 | 0 | 2022-01-30 |
| Anne Mitsem Borgersen | Vestfold, Norway | 1 | 1 | 0 | 2021-01-26 |
| Rita Madsen Nødtvedt | Vestland, Norway | 1 | 1 | 0 | 2022-01-30 |
| Øystein Lunde | Troms, Norway | 1 | 1 | 0 | 2023-01-28 |
| Roald Bøe | Troms, Norway | 1 | 1 | 0 | 2022-01-29 |
| Jan H. Herstad | Trøndelag, Norway | 1 | 1 | 0 | 2022-01-30 |
| Sondre fink andersen | Telemark, Norway | 1 | 1 | 0 | 2022-01-29 |
| Geir-Rune Eikeset | Møre og Romsdal, Norway | 1 | 1 | 0 | 2022-01-30 |
| Hanne Mette Birkeland | Rogaland, Norway | 1 | 1 | 0 | 2022-01-30 |
| Anne Wivestad | Agder, Norway | 1 | 1 | 0 | 2022-01-24 |
| Svein E Fjeldstad | Vestland, Norway | 1 | 1 | 0 | 2022-01-24 |
| Nina Nesje | Vestfold, Norway | 1 | 1 | 0 | 2022-01-30 |
| Per Ellertsen | Vestfold, Norway | 1 | 1 | 0 | 2022-02-01 |
| Inger C. Edlund | Oslo, Norway | 1 | 1 | 0 | 2023-01-28 |
| Frank Kåre Nilsen | Troms, Norway | 1 | 1 | 0 | 2024-02-04 |
| Fred Halvorsen | Rogaland, Norway | 1 | 1 | 0 | 2023-02-03 |
| Ulstein vidaregåande skule | Møre og Romsdal, Norway | 1 | 1 | 0 | 1994-10-12 |