| Red-breasted Merganser (Mergus serrator) | | 2023-01-31 | 2023-01-21 | Terråk (Nordland, Norway) |  |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-31 | 2023-01-29 | Alveveien 200 (Agder, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-30 | 2023-01-29 | Hovlandsstrando 1 (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-29 | Øystese (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-29 | Ballstadøya (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-28 | Båtstangveien 86 (Vestfold, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-29 | Veivåg (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-28 | Nordfugløyvegen 232 (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-29 | Brokvik (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-29 | Maurnes (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-29 | Liss Vandve (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-21 | bådalen (Møre og Romsdal, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-29 | 2023-01-29 | Liss Vandve (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-28 | 2023-01-28 | Ausebakken (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-28 | 2023-01-28 | Goahtegohppi (Finnmark, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-28 | 2023-01-28 | Fiskerihavn/Salthella (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-28 | 2023-01-28 | Foldfjorden (Møre og Romsdal, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-28 | 2023-01-28 | Jarlsø (Vestfold, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2023-01-25 | 2023-01-21 | Nesnaveien 207 (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-18 | 2022-01-30 | Kjærnes (Akershus, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-11 | 2022-01-30 | Aursneset, Eiksund (Møre og Romsdal, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-11 | 2022-01-30 | Aursneset, Eiksund (Møre og Romsdal, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-08 | 2022-02-06 | Langøy (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-06 | 2022-02-01 | Breievne (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-06 | 2022-01-31 | Øystese (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-06 | 2022-01-30 | Valsåsen Silvalen (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-06 | 2022-02-05 | Apalvik (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-06 | 2022-02-06 | Borkenes (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-05 | 2022-01-30 | Kjærnes (Akershus, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-05 | 2022-02-05 | Odlandsvågen (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-03 | 2022-02-02 | Budal (Vestfold, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-02-01 | 2022-01-31 | Undredal (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-31 | 2022-01-31 | Erikstad (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-31 | 2022-01-31 | Maurnes (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-31 | 2022-01-24 | Lundenes (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-31 | 2022-01-29 | Sandev 11 (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-31 | 2022-01-30 | Kjørdalen (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-31 | 2022-01-30 | Klubbnesveien 18 (Trøndelag, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-29 | Buarvikå (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-23 | vikavegen 76 (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-30 | Sandstrand (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-29 | Kausland (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-26 | Bergheimvegen 34, 9107 Kvaløya (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-30 | Mykinghella (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-29 | Brokvik (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-29 | Apalset (Møre og Romsdal, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-30 | Hangerslettvegen 200 (Trøndelag, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-26 | Saltermarka (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-30 | Lia (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2022-01-30 | 2022-01-30 | Kongensvoldveien 36 (Trøndelag, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education