| Red-breasted Merganser (Mergus serrator) | | 2025-04-28 | 2025-04-28 | | Sævarhagsvikjo (Vestland, Norway) |  |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-28 | 2025-04-27 | | Vinnesleiro naturreservat (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-26 | 2025-04-26 | | Strandveien 20 (Finnmark, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-26 | 2025-04-21 | | Finnlandsvika (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-26 | 2025-04-20 | | Finnlandsholmen (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-26 | 2025-04-26 | | Rena og omegn (Innlandet, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-25 | 2025-04-25 | | Sandsfjorden (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-25 | 2025-04-21 | | Randalsvågen (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-25 | 2025-04-14 | | Randalsvågen (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-24 | 2025-04-24 | | Vingnes, sør Lillehammer båthavn, (Innlandet, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-22 | 2025-04-19 |  | Malmøya (Oslo, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-22 | 2025-04-22 | | Naurstad (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-21 | 2025-04-12 | | Vemundvik (Trøndelag, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-21 | 2025-04-17 | | Brasøy (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-20 | 2025-04-20 | | Erfjord (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-19 | 2025-04-19 | | Halsvågen (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-19 | 2025-04-18 | | Halsvågen (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-19 | 2025-04-18 | | Storeidvannet (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-18 | 2025-04-18 | | Vestertana (Finnmark, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-18 | 2025-04-17 | | Sjøstrandveien (Akershus, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-17 | 2025-04-17 | | Hagvåg (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-17 | 2025-04-15 | | Åsgårdstrand (Vestfold, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-16 | 2025-04-16 | | Lyngør (Agder, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-16 | 2025-04-12 | | Akerøya (Østfold, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-16 | 2025-04-16 | | Sørbotten Oksevåg (Finnmark, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-15 | 2025-04-15 | | Skaravågen (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-13 | 2025-04-13 | | Refsnesveien (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-13 | 2025-04-13 | | Ariselv (Finnmark, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-13 | 2025-04-13 | | Ariselv (Finnmark, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-13 | 2025-04-13 | | Ravelsvika (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-12 | 2025-04-12 | | Grønnåsen (Telemark, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-10 | 2025-04-08 | | Golta (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-08 | 2025-04-08 | | Lyngørfjorden (Agder, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-08 | 2025-04-08 | | Karmsundet (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-04 | 2025-04-04 | | Napp (Nordland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-01 | 2025-03-23 | | Muruvika, Flatholman (Trøndelag, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-01 | 2025-04-01 | | Kilsund (Agder, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-04-01 | 2025-03-21 | | Opsebakkveien 45 (Agder, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-31 | 2025-03-31 | | Værnes (Trøndelag, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-30 | 2025-03-30 | | Tjeldsundbrua (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-30 | 2025-03-26 | | Nærsnestangen (Akershus, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-28 | 2025-03-28 | | Finnlandsleira, Brøstadbotn (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-26 | 2025-03-20 | | Roald, Vigra (Møre og Romsdal, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-26 | 2025-03-17 | | Skaravågen (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-23 | 2025-03-15 | | Foreneset fjordferie (Rogaland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-22 | 2025-03-21 | | Langhamn (Troms, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-19 | 2025-03-19 | | Jeløya (Østfold, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-17 | 2025-03-16 | | Hiskjo (Vestland, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-16 | 2025-03-16 | | Tingvollvågen (Møre og Romsdal, Norway) | |
| Red-breasted Merganser (Mergus serrator) | | 2025-03-16 | 2025-03-16 | | Eikremsvegen 179 (Møre og Romsdal, Norway) | |