Larus canus (Mew Gull)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Skipperheia | Agder, Norway | 1 | 1 | 0 | 2017-01-29 | |
| Skipperheia 19, Sagesund | Agder, Norway | 1 | 1 | 0 | 2020-01-26 | |
| Skjalgsbakken 16 | Rogaland, Norway | 1 | 1 | 0 | 2011-01-29 | |
| Skjelbreidvatnet | Vestland, Norway | 1 | 1 | 0 | 1991-06-06 | |
| skjermvegen 84 | Trøndelag, Norway | 1 | 1 | 0 | 2019-01-20 | |
| Skjoldia 9 | Vestland, Norway | 1 | 1 | 0 | 2023-01-23 | |
| Skogsøy | Nordland, Norway | 3 | 1 | 0 | 2020-01-26 | |
| Skogsøy | Vestland, Norway | 6 | 1 | 0 | 2007-03-08 | |
| Skogtun | Innlandet, Norway | 1 | 1 | 0 | 2015-01-24 | |
| Skogvik | Vestland, Norway | 4 | 1 | 0 | 2024-01-26 | |
| Skogvollveien 42 | Oslo, Norway | 1 | 1 | 0 | 2010-01-31 | |
| Skokleheia 1K | Akershus, Norway | 1 | 1 | 0 | 2022-01-29 | |
| Skollevoll | Agder, Norway | 1 | 1 | 0 | 2014-01-25 | |
| Skomakerdiket | Vestland, Norway | 1 | 1 | 2 | 2006-06-29 | |
| Skranevatnet | Vestland, Norway | 9 | 1 | 1 | 2014-06-04 | |
| Skreddarvegen 5a, Varhaug | Rogaland, Norway | 1 | 1 | 0 | 2023-02-04 | |
| Skredestranda 127 | Møre og Romsdal, Norway | 2 | 1 | 0 | 2019-01-26 | |
| Skullerud | Oslo, Norway | 1 | 1 | 0 | 2009-01-24 | |
| Skøyen (TWW) | Oslo, Norway | 1 | 1 | 0 | 2015-01-25 | |
| Slemmestad | Akershus, Norway | 1 | 1 | 0 | 2014-01-19 | |
| Slettaveien 28 - Eide | Møre og Romsdal, Norway | 3 | 1 | 0 | 2023-02-05 | |
| Slynveien 5 | Akershus, Norway | 2 | 1 | 0 | 2022-01-20 | |
| Slåttnes, Kvaløya | Troms, Norway | 2 | 1 | 0 | 2018-04-04 | |
| Smeby | Innlandet, Norway | 1 | 1 | 0 | 2023-02-03 | |
| Småøran, Sandbanken 8 | Trøndelag, Norway | 3 | 1 | 0 | 2014-01-20 | |
| Sogsti, Drøbak | Akershus, Norway | 18 | 1 | 0 | 2018-04-11 | |
| Soknevågen | Vestland, Norway | 1 | 1 | 0 | 2014-02-02 | |
| Solberg | Vestfold, Norway | 1 | 1 | 0 | 2015-01-25 | |
| Solhaugen | Vestland, Norway | 6 | 1 | 0 | 2024-01-27 | |
| Solheim Barnehage sin Fuglerestaurant | Nordland, Norway | 2 | 1 | 0 | 2018-01-28 | |
| Solheimsvatnet | Vestland, Norway | 1 | 1 | 0 | 2005-04-24 | |
| Solheimsviken | Vestland, Norway | 1 | 1 | 0 | 2013-04-08 | |
| Sollerud | Oslo, Norway | 5 | 1 | 0 | 2019-01-23 | |
| Solstugrenda 40 | Oslo, Norway | 1 | 1 | 0 | 2022-01-29 | |
| Sommerveien 4 | Rogaland, Norway | 4 | 1 | 0 | 2021-01-30 | |
| Spangereidveien 483 | Agder, Norway | 1 | 1 | 0 | 2021-02-03 | |
| Sperrevigveien 94, N-4816 Kolbjornsvik | Agder, Norway | 2 | 1 | 0 | 2023-01-30 | |
| Spildervatnet | Nordland, Norway | 1 | 1 | 0 | 1994-10-04 | |
| Spjelkavik | Møre og Romsdal, Norway | 1 | 1 | 0 | 2016-04-02 | |
| Spjelkavik | Møre og Romsdal, Norway | 1 | 1 | 0 | 2013-01-27 | |
| Stangeland | Rogaland, Norway | 4 | 1 | 0 | 2023-01-28 | |
| Stavanger | Rogaland, Norway | 3 | 1 | 0 | 2024-01-28 | |
| Stavanger | Rogaland, Norway | 1 | 1 | 0 | 2015-01-26 | |
| stavanger | Rogaland, Norway | 2 | 1 | 0 | 2019-01-26 | |
| stavanger hundvåg | Rogaland, Norway | 1 | 1 | 0 | 2016-01-31 | |
| Stavern | Vestfold, Norway | 1 | 1 | 0 | 2024-01-10 | |
| Stavern | Vestfold, Norway | 3 | 1 | 0 | 2021-01-26 | |
| Stavern | Vestfold, Norway | 1 | 1 | 0 | 2020-01-26 | |
| Stavern | Vestfold, Norway | 5 | 1 | 0 | 2023-01-21 | |
| Stavset | Trøndelag, Norway | 2 | 1 | 0 | 2023-01-29 |