Aythya fuligula (Tufted Duck)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Rognan ungdomsskole | Nordland, Norway | 13 | 1 | 0 | 2016-05-19 |
| Åsmund Berg | Innlandet, Norway | 11 | 1 | 6 | 2020-05-02 |
| Arne Kjell Askeland | Rogaland, Norway | 11 | 1 | 0 | 2024-03-09 |
| Frank Markussen | Nordland, Norway | 8 | 1 | 3 | 2019-06-28 |
| Hans Askeland Larsen | Vestland, Norway | 8 | 1 | 0 | 2024-01-27 |
| Kristianslyst skole | Rogaland, Norway | 7 | 1 | 0 | 2023-01-30 |
| Inger Lise Norhagen | Vestland, Norway | 6 | 1 | 0 | 2024-02-02 |
| Elizabeth Riiber Elgvin | Vestfold, Norway | 6 | 1 | 0 | 2024-01-28 |
| Fauske videregående skole | Nordland, Norway | 5 | 1 | 0 | 1993-09-02 |
| Elisabeth Årsnes | Rogaland, Norway | 4 | 1 | 0 | 2020-01-26 |
| Torstein Haukaas | Vestland, Norway | 4 | 1 | 0 | 2021-01-30 |
| Rolf Bakkeland | Vestland, Norway | 3 | 1 | 0 | 2019-01-27 |
| Anne Marthe Susort | Rogaland, Norway | 3 | 1 | 0 | 2024-01-27 |
| NOF Hordaland | Vestland, Norway | 3 | 1 | 0 | 2006-05-07 |
| Maira Andersone | Rogaland, Norway | 3 | 1 | 0 | 2018-02-07 |
| Helliesen | Rogaland, Norway | 3 | 1 | 0 | 2019-05-12 |
| NOF Møre og Romsdal | Møre og Romsdal, Norway | 3 | 1 | 0 | 2005-04-21 |
| Margaretha Linnea Karlsson | Nordland, Norway | 3 | 1 | 0 | 2018-01-28 |
| Olaf Hunsdal | Troms, Norway | 3 | 1 | 0 | 2011-05-22 |
| Ketil KNUDSEN | Innlandet, Norway | 2 | 1 | 0 | 2022-01-30 |
| Spjelkavik videregående skole | Møre og Romsdal, Norway | 2 | 1 | 0 | 1994-09-07 |
| Robert A. Hansen | Nordland, Norway | 2 | 1 | 0 | 2016-04-25 |
| Birger Linga | Vestland, Norway | 2 | 1 | 0 | 2020-01-27 |
| Trond Sværen | Vestland, Norway | 2 | 1 | 0 | 2012-02-10 |
| Frode Falkenberg | Vestland, Norway | 2 | 1 | 0 | 2014-03-18 |
| May Liza Johansen | Vestland, Norway | 2 | 1 | 0 | 2021-01-31 |
| Arve Henningsen | Nordland, Norway | 2 | 1 | 0 | 2008-04-17 |
| Bjertnes videregående skole | Akershus, Norway | 2 | 1 | 0 | 2004-09-01 |
| Vest-Lofoten videregående skole / Lofoten Maritime Fagskole | Nordland, Norway | 2 | 1 | 0 | 1998-09-07 |
| Ottar H. Pettersen | Rogaland, Norway | 2 | 1 | 0 | 2023-01-28 |
| Camilla Jonetta Evensen | Telemark, Norway | 2 | 1 | 0 | 2021-02-07 |
| Kvaløya videregående skole | Troms, Norway | 2 | 1 | 0 | 1994-10-04 |
| Finn Jørgensen | Agder, Norway | 2 | 1 | 0 | 2010-01-31 |
| Tryggheim Strand AS | Rogaland, Norway | 2 | 1 | 0 | 2019-02-07 |
| Kurt Erland | Vestland, Norway | 2 | 1 | 0 | 2015-05-02 |
| Skolelaboratoriet i realfag, UiB | Vestland, Norway | 2 | 1 | 0 | 2008-07-23 |
| Arvid Ytreland | Rogaland, Norway | 2 | 1 | 0 | 2018-01-22 |
| bjørn helge larsen | Telemark, Norway | 1 | 1 | 0 | 2019-01-26 |
| Atle Rivenes | Vestland, Norway | 1 | 1 | 0 | 2016-01-24 |
| hans peter hansen | Vestfold, Norway | 1 | 1 | 0 | 2011-01-31 |
| Jostein Tunheim | Rogaland, Norway | 1 | 1 | 0 | 2020-01-25 |
| Jorunn Einbu | Innlandet, Norway | 1 | 1 | 0 | 2012-04-01 |
| Gunnar Godø | Møre og Romsdal, Norway | 1 | 1 | 0 | 2015-01-25 |
| Markus Kristoffer Dreyer | Buskerud, Norway | 1 | 1 | 0 | 2012-01-24 |
| Espen Arild Bergheim | Telemark, Norway | 1 | 1 | 0 | 2012-03-25 |
| Mathis Haraldsen | Østfold, Norway | 1 | 1 | 0 | 2024-01-28 |
| Mette Drange | Rogaland, Norway | 1 | 1 | 0 | 2012-01-29 |
| Bjørg Ek | Østfold, Norway | 1 | 1 | 0 | 2012-04-09 |
| Rune Sørengen | Innlandet, Norway | 1 | 1 | 0 | 2012-01-27 |
| Reidun Marie Nyygård | Rogaland, Norway | 1 | 1 | 0 | 2012-01-29 |