Clangula hyemalis (Long-tailed Duck)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Unni R. Bjerke Gamst | Troms, Norway | 17 | 1 | 0 | 2024-01-31 |
| magnus jenssen | Troms, Norway | 8 | 1 | 0 | 2021-03-06 |
| Astrid Hagelund | Finnmark, Norway | 3 | 1 | 0 | 2012-01-29 |
| Silje Skrede | Møre og Romsdal, Norway | 3 | 1 | 1 | 2016-02-27 |
| Kristoffer Kiærbech | Troms, Norway | 2 | 1 | 0 | 2018-04-06 |
| Billefjord Sjøsamiske Oppvekstsenter/Billefjord skole | Finnmark, Norway | 2 | 1 | 0 | 2009-05-28 |
| Kurt Erland | Vestland, Norway | 2 | 1 | 0 | 2015-03-20 |
| Nyborg skole | Trøndelag, Norway | 2 | 1 | 0 | 2003-04-23 |
| Gunn-T. Høgstad | Troms, Norway | 2 | 1 | 0 | 2014-01-25 |
| Kåre Olsen | Agder, Norway | 1 | 1 | 0 | 2011-01-30 |
| John Skartveit | Vestland, Norway | 1 | 1 | 0 | 2010-12-27 |
| Gunn Langaas | Troms, Norway | 1 | 1 | 0 | 2016-01-31 |
| Harald Dragland | Trøndelag, Norway | 1 | 1 | 0 | 2010-01-31 |
| Rut Helene Langebrekke Nilsen | Trøndelag, Norway | 1 | 1 | 0 | 2010-01-31 |
| Kai Larsen | Nordland, Norway | 1 | 1 | 0 | 2012-01-29 |
| elin sissener | Agder, Norway | 1 | 1 | 0 | 2021-02-14 |
| Atle Rivenes | Vestland, Norway | 1 | 1 | 0 | 2016-01-24 |
| Robert A. Hansen | Nordland, Norway | 1 | 1 | 0 | 2015-01-27 |
| Per Otto Røiseng | Trøndelag, Norway | 1 | 1 | 0 | 2014-01-24 |
| Kåre Arvvid Brørs | Trøndelag, Norway | 1 | 1 | 0 | 2015-01-21 |
| Torgeir Sandvik | Rogaland, Norway | 1 | 1 | 0 | 2021-01-31 |
| Kristine Hovden | Agder, Norway | 1 | 1 | 0 | 2023-04-06 |
| Anna Baadsvik | Trøndelag, Norway | 1 | 1 | 0 | 2021-01-30 |
| Aksel Ulstein | Møre og Romsdal, Norway | 1 | 1 | 0 | 2024-02-09 |
| Asbjorn Waagsbo | Møre og Romsdal, Norway | 1 | 1 | 1 | 2019-01-20 |
| Arild Løvli | Innlandet, Norway | 1 | 1 | 0 | 2019-05-19 |
| Eivind Salomonsen | Rogaland, Norway | 1 | 1 | 0 | 2023-01-27 |
| Antti Rissanen | Finnmark, Norway | 1 | 1 | 0 | 2020-01-25 |
| Arne kvaal | Troms, Norway | 1 | 1 | 0 | 2023-01-29 |
| Rolf Emil Jensen | Finnmark, Norway | 1 | 1 | 0 | 2021-01-30 |
| Øyvind Rognseth | Troms, Norway | 1 | 1 | 0 | 2022-01-29 |
| Fauskanger barne- og ungdomsskole | Vestland, Norway | 1 | 1 | 0 | 2009-02-12 |
| Jørn Michaelis | Møre og Romsdal, Norway | 1 | 1 | 0 | 2024-05-01 |
| Kaldfjord skole | Troms, Norway | 1 | 1 | 0 | 2010-01-31 |
| NOF Hordaland | Vestland, Norway | 1 | 1 | 0 | 2005-05-30 |
| NOF Møre og Romsdal | Møre og Romsdal, Norway | 1 | 1 | 0 | 2005-05-25 |
| Straumen skole | Troms, Norway | 1 | 1 | 0 | 2004-04-01 |
| utsira fuglestasjon | Rogaland, Norway | 1 | 1 | 0 | 2011-01-26 |
| Frede Thorsheim | Vestland, Norway | 1 | 1 | 0 | 2011-04-30 |
| Tove Wærdahl | Trøndelag, Norway | 1 | 1 | 0 | 2010-01-30 |
| Jens-Are Johansen | Nordland, Norway | 1 | 1 | 0 | 2017-01-28 |