Mergus serrator (Red-breasted Merganser)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Nedstrand | Rogaland, Norway | 1 | 1 | 0 | 2013-05-05 | |
| Nesjeøyveien 11 | Nordland, Norway | 3 | 1 | 0 | 2022-01-29 | |
| Nesnaveien 207 | Nordland, Norway | 2 | 1 | 0 | 2023-01-21 | |
| Nesvegen 149 | Rogaland, Norway | 1 | 1 | 0 | 2023-02-04 | |
| Nevelsfjord | Nordland, Norway | 1 | 1 | 0 | 2017-01-29 | |
| Nordalveien 31 , Kopervik | Rogaland, Norway | 1 | 1 | 0 | 2021-01-24 | |
| Nordeidveien 167, 9132 Stakkvik | Troms, Norway | 1 | 1 | 0 | 2024-02-03 | |
| Nordfugløyvegen 232 | Troms, Norway | 1 | 1 | 0 | 2023-01-28 | |
| Notaneset, fosnavåg | Møre og Romsdal, Norway | 2 | 1 | 0 | 2021-01-30 | |
| Nørvasund | Møre og Romsdal, Norway | 1 | 1 | 0 | 2015-01-25 | |
| Odlandsvågen | Vestland, Norway | 6 | 1 | 0 | 2024-01-28 | |
| Oksebåsen 14 | Troms, Norway | 1 | 1 | 0 | 2024-02-03 | |
| Olsvika Ertvågøya | Møre og Romsdal, Norway | 1 | 1 | 0 | 2013-01-27 | |
| Omavegen 44 | Vestland, Norway | 1 | 1 | 0 | 2019-01-24 | |
| Onstad | Vestland, Norway | 1 | 1 | 0 | 2021-12-04 | |
| Orsand | Trøndelag, Norway | 3 | 1 | 0 | 2024-01-28 | |
| Oshaug | Nordland, Norway | 2 | 1 | 0 | 2019-04-27 | |
| Osneshavn | Rogaland, Norway | 1 | 1 | 0 | 2019-01-27 | |
| Ostervika, Randøy | Rogaland, Norway | 5 | 1 | 0 | 2020-01-19 | |
| pertunet | Vestland, Norway | 1 | 1 | 0 | 2013-03-15 | |
| Prestegardsmoen | Vestland, Norway | 4 | 1 | 0 | 2007-03-30 | |
| Raudsandvegen 51 | Møre og Romsdal, Norway | 1 | 1 | 0 | 2023-02-04 | |
| ravelseidet indre 69/1 | Troms, Norway | 25 | 1 | 0 | 2021-04-24 | |
| Rena og omegn | Innlandet, Norway | 6 | 1 | 7 | 2024-05-27 | |
| Risholmen | Vestland, Norway | 1 | 1 | 0 | 2012-03-11 | |
| Rønnes | Agder, Norway | 1 | 1 | 0 | 2017-05-01 | |
| Rørvik | Trøndelag, Norway | 2 | 1 | 0 | 2024-01-21 | |
| Røsnes, Kaldfjord, Kvaløya | Troms, Norway | 1 | 1 | 0 | 2017-06-25 | |
| Røsslyngveien 14 | Nordland, Norway | 1 | 1 | 0 | 2018-02-04 | |
| røsstad | Agder, Norway | 1 | 1 | 0 | 2014-01-25 | |
| røsstad | Agder, Norway | 1 | 1 | 0 | 2015-04-07 | |
| Sagjordet | Agder, Norway | 3 | 1 | 0 | 2017-04-25 | |
| Saltermarka | Nordland, Norway | 5 | 1 | 0 | 2022-01-26 | |
| Salthella på Selbjørn — området rundt Hagen til Heine | Vestland, Norway | 3 | 1 | 0 | 2020-02-01 | |
| Salthellevegen 33 — Hagen til Heine | Vestland, Norway | 4 | 1 | 1 | 2024-01-27 | |
| Saltkjelvika i Møst | Møre og Romsdal, Norway | 3 | 1 | 0 | 2021-01-30 | |
| Sandberg | Nordland, Norway | 3 | 1 | 0 | 2022-01-30 | |
| Sandev 11 | Rogaland, Norway | 1 | 1 | 0 | 2022-01-29 | |
| Sandgården Vestresand | Nordland, Norway | 1 | 1 | 0 | 2014-01-26 | |
| Sandstrand | Troms, Norway | 1 | 1 | 0 | 2022-01-30 | |
| Sandvik | Vestland, Norway | 1 | 1 | 0 | 2019-01-27 | |
| Sandviksberget | Trøndelag, Norway | 1 | 1 | 0 | 2016-01-31 | |
| sandøya | Telemark, Norway | 3 | 1 | 0 | 2024-01-28 | |
| Seljebøvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1994-11-22 | |
| Selnes | Nordland, Norway | 6 | 1 | 0 | 2024-01-21 | |
| Selnes + Aldersund | Nordland, Norway | 2 | 1 | 0 | 2018-01-23 | |
| Selvigstranden, Drammensfjorden | Akershus, Norway | 1 | 1 | 0 | 2017-01-28 | |
| sjøholt | Møre og Romsdal, Norway | 1 | 1 | 0 | 2019-01-26 | |
| Sjøstrand og elnastangen | Akershus, Norway | 1 | 1 | 0 | 2016-03-28 | |
| sjøvollbukta, vollen | Akershus, Norway | 1 | 1 | 0 | 2017-01-29 |