Larus canus (Mew Gull)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Steinli | Troms, Norway | 1 | 1 | 0 | 2022-01-24 | |
| Stemhaugmarka 13 | Rogaland, Norway | 2 | 1 | 0 | 2020-01-26 | |
| Stemmelia | Vestland, Norway | 1 | 1 | 0 | 2024-01-27 | |
| Stend | Vestland, Norway | 2 | 1 | 0 | 2014-01-26 | |
| Stenhammerveien 15B | Østfold, Norway | 2 | 1 | 0 | 2024-01-28 | |
| Stensparken | Oslo, Norway | 1 | 1 | 0 | 2022-01-30 | |
| Stokkabrautene 53 | Rogaland, Norway | 3 | 1 | 0 | 2024-01-28 | |
| Stokkalandsvannet | Rogaland, Norway | 3 | 1 | 0 | 2018-02-07 | |
| Stokkelandsskogen | Agder, Norway | 1 | 1 | 0 | 2014-01-25 | |
| Storavatnet | Vestland, Norway | 1 | 1 | 0 | 1991-10-20 | |
| Storbukta (Utsikten) | Møre og Romsdal, Norway | 1 | 1 | 0 | 2022-01-25 | |
| Store Bergan | Vestfold, Norway | 4 | 1 | 0 | 2013-01-27 | |
| Store Nessa | Rogaland, Norway | 2 | 1 | 0 | 2021-01-30 | |
| Storeidvatnet | Nordland, Norway | 1 | 1 | 0 | 1998-09-07 | |
| storengveien 18 | Østfold, Norway | 2 | 1 | 0 | 2022-01-30 | |
| Storevar | Vestfold, Norway | 1 | 1 | 0 | 2014-01-26 | |
| Storflåtveien 9 | Rogaland, Norway | 1 | 1 | 0 | 2019-01-26 | |
| Storhaug | Rogaland, Norway | 1 | 1 | 0 | 2021-02-12 | |
| Stormmusberget 3 | Østfold, Norway | 1 | 1 | 0 | 2018-01-28 | |
| Storsand | Akershus, Norway | 1 | 1 | 0 | 2014-01-29 | |
| Storvikveien 433, 9157 Storslett | Troms, Norway | 5 | 1 | 0 | 2024-05-08 | |
| Stranda | Østfold, Norway | 3 | 1 | 0 | 2024-01-28 | |
| Strandvegen | Akershus, Norway | 1 | 1 | 0 | 2016-01-31 | |
| strandvegen 68 | Trøndelag, Norway | 1 | 1 | 0 | 2013-01-26 | |
| Strandvegen, Tromsø sentrum | Troms, Norway | 5 | 1 | 0 | 2013-04-12 | |
| Strandveien 24 B | Akershus, Norway | 1 | 1 | 0 | 2023-01-27 | |
| Straumen | Troms, Norway | 1 | 1 | 0 | 2020-04-07 | |
| Straumfjord | Nordland, Norway | 15 | 1 | 2 | 2024-04-02 | |
| straumsgrend | Vestland, Norway | 4 | 1 | 0 | 2021-01-30 | |
| Strindheim | Trøndelag, Norway | 1 | 1 | 0 | 2020-01-25 | |
| Strømdal | Telemark, Norway | 1 | 1 | 0 | 2016-01-29 | |
| Strømdal - villastrøk i Skien | Telemark, Norway | 1 | 1 | 0 | 2015-01-25 | |
| Strømslandsveien 123 Laget | Agder, Norway | 1 | 1 | 0 | 2020-01-26 | |
| Sturlas veg 11 | Østfold, Norway | 2 | 1 | 0 | 2011-01-30 | |
| Sund | Nordland, Norway | 1 | 1 | 0 | 2016-01-26 | |
| Sundjorde/Øyekast | Telemark, Norway | 1 | 1 | 0 | 2022-01-28 | |
| Sundkilen | Telemark, Norway | 1 | 1 | 0 | 1994-10-12 | |
| Svandalsvegen 29 | Rogaland, Norway | 2 | 1 | 0 | 2024-01-25 | |
| Svaneveien | Agder, Norway | 1 | 1 | 0 | 2016-01-23 | |
| Svelvikveien 1243 | Buskerud, Norway | 2 | 1 | 0 | 2023-01-28 | |
| Svestadveien 36 | Akershus, Norway | 1 | 1 | 0 | 2021-01-30 | |
| Svithuntunet | Rogaland, Norway | 1 | 1 | 0 | 2012-01-28 | |
| Sykkylven | Møre og Romsdal, Norway | 1 | 1 | 0 | 2024-01-28 | |
| Synesvegen 701, 6040 Vigra | Møre og Romsdal, Norway | 1 | 1 | 0 | 2018-01-28 | |
| Syryken | Akershus, Norway | 1 | 1 | 0 | 2017-01-29 | |
| Syverstadkollen 41 | Akershus, Norway | 1 | 1 | 0 | 2018-01-29 | |
| Sælenvannet | Vestland, Norway | 1 | 1 | 0 | 1991-05-04 | |
| Sødal Terrasse | Agder, Norway | 2 | 1 | 0 | 2016-01-31 | |
| Søndre alle 9, Eik | Vestfold, Norway | 1 | 1 | 0 | 2019-01-27 | |
| Søndre Maiensveg 11, Sandøya, 3950Brevik | Telemark, Norway | 5 | 1 | 0 | 2024-02-04 |