Chroicocephalus ridibundus (Black-headed Gull)
| Område | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. | |
|---|---|---|---|---|---|---|
| Agder naturmuseum og botaniske hage | Agder, Norway | 1 | 1 | 0 | 2010-05-19 | |
| Altaosen | Finnmark, Norway | 3 | 1 | 0 | 2012-05-14 | |
| Alteidet | Troms, Norway | 1 | 1 | 0 | 2014-05-04 | |
| Angedalsvegen 28 | Vestland, Norway | 1 | 1 | 0 | 2015-05-23 | |
| Arkavatnet | Rogaland, Norway | 1 | 1 | 0 | 1994-11-15 | |
| Auglandsbukten | Agder, Norway | 1 | 1 | 0 | 2025-03-22 | |
| Badeparken | Vestfold, Norway | 2 | 1 | 0 | 2011-03-22 | |
| Bakkane | Vestland, Norway | 1 | 1 | 0 | 2023-04-16 | |
| Ballstad | Nordland, Norway | 1 | 1 | 1 | 2019-03-22 | |
| Bankebroa | Agder, Norway | 1 | 1 | 0 | 2010-01-31 | |
| Bergen sentrum | Vestland, Norway | 1 | 1 | 0 | 2004-09-14 | |
| Billefjord | Finnmark, Norway | 1 | 1 | 0 | 2011-05-09 | |
| Bjerkvik | Nordland, Norway | 2 | 1 | 0 | 2018-04-18 | |
| Bjordal | Vestland, Norway | 1 | 1 | 0 | 2006-03-20 | |
| Bjørkelangen | Akershus, Norway | 4 | 1 | 0 | 2024-04-25 | |
| BjørvikaOslo | Telemark, Norway | 1 | 1 | 0 | 2025-03-18 | |
| Bogstadvannet | Oslo, Norway | 1 | 1 | 0 | 1993-06-10 | |
| Borgvatnet | Nordland, Norway | 3 | 1 | 0 | 2019-04-25 | |
| Borhauggarden | Agder, Norway | 2 | 1 | 0 | 2016-01-24 | |
| Borrestranda | Vestfold, Norway | 1 | 1 | 0 | 2025-03-15 | |
| Borrevannet | Vestfold, Norway | 1 | 1 | 0 | 2002-04-10 | |
| Brevikveien 183 | Akershus, Norway | 1 | 1 | 0 | 2025-01-22 | |
| Burfjord fjære | Troms, Norway | 2 | 1 | 0 | 2020-04-25 | |
| Burudvann | Akershus, Norway | 1 | 1 | 0 | 1994-11-24 | |
| Bygdøy | Oslo, Norway | 1 | 1 | 0 | 2018-01-28 | |
| Bygdøy | Oslo, Norway | 2 | 1 | 0 | 2009-03-23 | |
| Bøler | Oslo, Norway | 1 | 1 | 0 | 2011-03-23 | |
| Egen hage | Rogaland, Norway | 1 | 1 | 0 | 2013-02-03 | |
| Eidangerfjorden | Telemark, Norway | 1 | 1 | 0 | 2015-04-22 | |
| Eidfjord | Vestland, Norway | 2 | 1 | 0 | 2007-03-23 | |
| Elnastangen | Akershus, Norway | 1 | 1 | 0 | 2019-03-24 | |
| Engasjyen 12 | Nordland, Norway | 1 | 1 | 0 | 2012-04-01 | |
| Fagervika | Nordland, Norway | 1 | 1 | 0 | 2012-04-14 | |
| Festningsdammen | Finnmark, Norway | 1 | 1 | 0 | 2010-04-17 | |
| Fiskvågvannet | Nordland, Norway | 4 | 1 | 0 | 2013-06-17 | |
| Fjøløy | Rogaland, Norway | 1 | 1 | 0 | 2015-03-18 | |
| Flatholman | Trøndelag, Norway | 1 | 1 | 0 | 2008-04-04 | |
| Flesland | Vestland, Norway | 3 | 1 | 0 | 2006-04-16 | |
| Fløyasletta | Vestfold, Norway | 2 | 1 | 0 | 2019-01-27 | |
| Frebergsvika | Vestfold, Norway | 1 | 1 | 0 | 2009-06-14 | |
| Frøylandsvatnet | Rogaland, Norway | 1 | 1 | 0 | 1993-06-01 | |
| Furnes Ungdomsskole, Furnes | Innlandet, Norway | 1 | 1 | 0 | 2010-05-06 | |
| Førde | Vestland, Norway | 3 | 1 | 0 | 2014-05-20 | |
| Gardsvik | Rogaland, Norway | 1 | 1 | 0 | 2025-01-06 | |
| Gardsvik | Rogaland, Norway | 1 | 1 | 0 | 2018-04-22 | |
| Gargo | Troms, Norway | 1 | 1 | 0 | 2018-04-14 | |
| Giske | Møre og Romsdal, Norway | 1 | 1 | 0 | 2025-01-29 | |
| Gjerde | Vestland, Norway | 1 | 1 | 0 | 2015-01-25 | |
| Granholmen | Vestfold, Norway | 1 | 1 | 0 | 2002-06-13 | |
| Granveien 43 | Akershus, Norway | 1 | 1 | 0 | 2020-01-26 |