Mergus serrator (Red-breasted Merganser)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Skarbo | Telemark, Norway | 2 | 1 | 0 | 2024-01-27 | |
| Skjelbreidvatnet | Vestland, Norway | 1 | 1 | 0 | 1991-06-06 | |
| Skjerjehamn 179 | Vestland, Norway | 1 | 1 | 0 | 2018-01-04 | |
| Skjongholmen1 | Møre og Romsdal, Norway | 1 | 1 | 0 | 2021-01-30 | |
| Skogsøy | Nordland, Norway | 6 | 1 | 0 | 2019-01-26 | |
| Skotnes | Vestland, Norway | 2 | 1 | 0 | 2024-02-03 | |
| Skredestranda 127 | Møre og Romsdal, Norway | 2 | 1 | 0 | 2019-01-26 | |
| Skrolsvik-Skoglundveien 4 | Troms, Norway | 1 | 1 | 0 | 2023-02-04 | |
| Skudeviga | Agder, Norway | 1 | 1 | 0 | 2013-02-02 | |
| Slåttnes, Kvaløya | Troms, Norway | 6 | 1 | 0 | 2018-01-23 | |
| Soknevågen | Vestland, Norway | 1 | 1 | 0 | 2017-01-22 | |
| Solgløtt, Vanvikan | Trøndelag, Norway | 2 | 1 | 0 | 2011-01-29 | |
| Solgløtt, Vanvikan | Trøndelag, Norway | 1 | 1 | 0 | 2010-01-30 | |
| Solvang i Kvina | Nordland, Norway | 3 | 1 | 0 | 2018-01-28 | |
| Sotra | Vestland, Norway | 1 | 1 | 0 | 2011-12-11 | |
| Spro-Svestad | Akershus, Norway | 1 | 1 | 0 | 2012-01-28 | |
| Stegura 21, Eidsbøen nord | Vestland, Norway | 1 | 1 | 0 | 2021-02-12 | |
| Steinvika | Trøndelag, Norway | 3 | 1 | 0 | 2013-01-23 | |
| Storekalvøy | Møre og Romsdal, Norway | 2 | 1 | 0 | 2021-02-01 | |
| Storhaug | Rogaland, Norway | 1 | 1 | 0 | 2021-02-12 | |
| Strand Tønsnes | Troms, Norway | 1 | 1 | 0 | 2017-01-28 | |
| Stranda 158 | Vestland, Norway | 1 | 1 | 0 | 2018-01-27 | |
| Strandvegen, Tromsø sentrum | Troms, Norway | 4 | 1 | 0 | 2016-01-24 | |
| Strømsnes | Nordland, Norway | 1 | 1 | 0 | 2011-01-29 | |
| Strømøyveien 269 | Trøndelag, Norway | 3 | 1 | 0 | 2024-01-23 | |
| Stutti | Agder, Norway | 1 | 1 | 0 | 2021-01-28 | |
| Sunde | Møre og Romsdal, Norway | 1 | 1 | 0 | 2010-01-31 | |
| Svaet(Tautramoloen) | Trøndelag, Norway | 1 | 1 | 1 | 2013-02-09 | |
| Svestadveien 36 | Akershus, Norway | 1 | 1 | 0 | 2021-01-30 | |
| Svintre 22 | Vestland, Norway | 1 | 1 | 0 | 2024-01-28 | |
| Sævarhagsvikjo/Hystadmarkjo | Vestland, Norway | 1 | 1 | 0 | 2014-01-22 | |
| Søa | Trøndelag, Norway | 3 | 1 | 0 | 2006-01-16 | |
| Søreidgrend | Vestland, Norway | 1 | 1 | 0 | 2017-01-29 | |
| Sørnesjevegen 73 | Møre og Romsdal, Norway | 2 | 1 | 0 | 2024-02-04 | |
| Sørsidevegen334 | Møre og Romsdal, Norway | 1 | 1 | 0 | 2020-01-26 | |
| Telavåg | Vestland, Norway | 1 | 1 | 0 | 2011-12-12 | |
| Terråk | Nordland, Norway | 1 | 1 | 0 | 2023-01-21 | |
| Tesaker Gyland | Agder, Norway | 1 | 1 | 0 | 2009-05-26 | |
| Toftenes | Nordland, Norway | 1 | 1 | 0 | 2015-01-28 | |
| Toppelbuktveien 354 | Troms, Norway | 1 | 1 | 0 | 2021-01-31 | |
| Torblå | Vestland, Norway | 1 | 1 | 0 | 2016-01-30 | |
| Toskavegen 562 | Vestland, Norway | 1 | 1 | 0 | 2021-01-03 | |
| Trodalveien 48 | Rogaland, Norway | 1 | 1 | 0 | 2022-01-28 | |
| tønsberg | Vestfold, Norway | 1 | 1 | 1 | 2015-03-04 | |
| Tårnvik | Nordland, Norway | 1 | 1 | 0 | 2017-05-07 | |
| Undredal | Vestland, Norway | 4 | 1 | 3 | 2022-01-31 | |
| Valsåsen Silvalen | Nordland, Norway | 2 | 1 | 0 | 2022-01-30 | |
| Veaholmen | Telemark, Norway | 2 | 1 | 0 | 2017-06-02 | |
| Vei 38040 58 | Nordland, Norway | 1 | 1 | 0 | 2020-01-26 | |
| Veibuststranda | Møre og Romsdal, Norway | 1 | 1 | 0 | 2024-01-28 |