Larus marinus (Great Black-backed Gull)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Krakhaugen | Vestland, Norway | 2 | 1 | 0 | 2016-02-01 | |
| Krapfoss | Østfold, Norway | 1 | 1 | 0 | 2021-01-25 | |
| krokeide | Vestland, Norway | 1 | 1 | 0 | 2020-01-27 | |
| krokelv snefjord | Finnmark, Norway | 1 | 1 | 0 | 2014-01-26 | |
| Krokstadelva | Buskerud, Norway | 1 | 1 | 0 | 2017-01-28 | |
| Krokveien 4 | Rogaland, Norway | 1 | 1 | 0 | 2014-01-26 | |
| Krossleitet | Vestland, Norway | 1 | 1 | 0 | 2023-06-03 | |
| Krossvatn | Rogaland, Norway | 1 | 1 | 0 | 2019-02-07 | |
| Krøttøy | Troms, Norway | 3 | 1 | 1 | 2016-02-07 | |
| Kuholmveien 4 | Nordland, Norway | 1 | 1 | 0 | 2024-02-04 | |
| Kvalvåg, Frei | Møre og Romsdal, Norway | 3 | 1 | 0 | 2022-01-30 | |
| Kvernabekkvegen 50 | Vestland, Norway | 1 | 1 | 0 | 2014-01-25 | |
| Kvibyelva | Finnmark, Norway | 1 | 1 | 0 | 2003-09-11 | |
| kystkystområde med lite skog nær hage | Nordland, Norway | 1 | 1 | 0 | 2018-10-05 | |
| Kystveien 91 | Agder, Norway | 2 | 1 | 0 | 2015-01-21 | |
| Kystveien 91 | Agder, Norway | 1 | 1 | 0 | 2018-01-25 | |
| Labergshaugen29 | Troms, Norway | 2 | 1 | 0 | 2023-01-29 | |
| Laksådalsvatnet | Nordland, Norway | 1 | 1 | 0 | 1995-06-08 | |
| langanes | Vestland, Norway | 9 | 1 | 0 | 2022-02-06 | |
| Langesund | Telemark, Norway | 1 | 1 | 0 | 2016-01-30 | |
| Langfjordstranda | Møre og Romsdal, Norway | 1 | 1 | 0 | 2021-02-07 | |
| Langnes, Tromsø | Troms, Norway | 2 | 1 | 0 | 2020-01-26 | |
| Langvika, Tjøme | Vestfold, Norway | 2 | 1 | 0 | 2012-01-29 | |
| Langøy | Rogaland, Norway | 5 | 1 | 0 | 2024-01-26 | |
| Lauvåsen | Agder, Norway | 2 | 1 | 0 | 2022-01-30 | |
| leines | Nordland, Norway | 4 | 1 | 0 | 2019-01-27 | |
| Lillestien 1 | Vestfold, Norway | 1 | 1 | 0 | 2019-01-27 | |
| Lundenes | Troms, Norway | 2 | 1 | 0 | 2020-01-23 | |
| Lønsetbakken | Møre og Romsdal, Norway | 2 | 1 | 0 | 2011-04-17 | |
| Låte | Vestland, Norway | 1 | 1 | 0 | 2018-05-25 | |
| Makrellneset | Vestland, Norway | 3 | 1 | 0 | 2024-02-03 | |
| Makrelodden | Agder, Norway | 1 | 1 | 0 | 2015-01-25 | |
| Malthusvegen 26 | Rogaland, Norway | 1 | 1 | 0 | 2022-01-10 | |
| Mandalselva | Agder, Norway | 1 | 1 | 0 | 2010-01-31 | |
| Maurnes | Nordland, Norway | 1 | 1 | 0 | 2019-01-27 | |
| Mausund | Trøndelag, Norway | 2 | 1 | 0 | 2024-02-02 | |
| Minister Ditleffs vei 12 | Rogaland, Norway | 5 | 1 | 0 | 2024-01-22 | |
| Moholtsvingen 6 | Trøndelag, Norway | 1 | 1 | 0 | 2010-01-31 | |
| Molde sentrum, Adjunkt Dørums gate | Møre og Romsdal, Norway | 2 | 1 | 0 | 2024-01-19 | |
| Morsund | Møre og Romsdal, Norway | 1 | 1 | 0 | 2014-01-31 | |
| mortensrud | Oslo, Norway | 1 | 1 | 0 | 2016-01-22 | |
| Myntevikvegen 137 | Vestland, Norway | 1 | 1 | 0 | 2023-01-29 | |
| Myrområde og innmark | Nordland, Norway | 2 | 1 | 0 | 2018-02-02 | |
| Mæland | Vestland, Norway | 1 | 1 | 0 | 2012-01-29 | |
| Namløsskogen 71, 3237 Sandefjord | Vestfold, Norway | 1 | 1 | 0 | 2024-01-12 | |
| Nautnes | Vestland, Norway | 1 | 1 | 0 | 2008-05-25 | |
| Nedre Klasgarden 22 | Møre og Romsdal, Norway | 3 | 1 | 0 | 2023-01-29 | |
| Nedre Vågen 45 | Rogaland, Norway | 1 | 1 | 0 | 2021-01-31 | |
| Nes, Jon Suul | Nordland, Norway | 2 | 1 | 0 | 2019-01-25 | |
| Nesttun | Vestland, Norway | 1 | 1 | 0 | 2014-01-19 |