Sterna hirundo (Common Tern)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| NOF Hordaland | Vestland, Norway | 36 | 1 | 1 | 2008-05-06 |
| Norsk Ornitologisk Forening | Trøndelag, Norway | 30 | 1 | 0 | 2006-05-24 |
| Arne Geir Trædal | Rogaland, Norway | 24 | 1 | 2 | 2024-05-02 |
| Byrknes skule | Vestland, Norway | 14 | 1 | 0 | 2024-05-02 |
| Åsmund Berg | Innlandet, Norway | 12 | 1 | 9 | 2022-05-21 |
| Odd Magne Berge Iversen | Rogaland, Norway | 8 | 1 | 0 | 2023-05-16 |
| Gerd Netland | Vestland, Norway | 7 | 1 | 0 | 2024-04-30 |
| Frede Thorsheim | Vestland, Norway | 7 | 1 | 0 | 2011-05-09 |
| Bård Johan Olsen | Nordland, Norway | 7 | 1 | 0 | 2023-05-12 |
| Ottar Sætre | Møre og Romsdal, Norway | 6 | 1 | 0 | 2019-06-24 |
| Stryn vidaregåande skule | Vestland, Norway | 6 | 1 | 0 | 2003-06-10 |
| Eli Brattland | Nordland, Norway | 5 | 1 | 0 | 2016-05-26 |
| NOF Møre og Romsdal | Møre og Romsdal, Norway | 4 | 1 | 0 | 2004-08-19 |
| Liv Nygård | Vestland, Norway | 3 | 1 | 0 | 2008-05-31 |
| Askim videregående skole | Østfold, Norway | 3 | 1 | 0 | 1994-05-27 |
| Kristian Moen | Finnmark, Norway | 3 | 1 | 0 | 2023-06-14 |
| Charlotte Bakke | Telemark, Norway | 3 | 1 | 0 | 2015-05-24 |
| Tone M. Bjørstad | Nordland, Norway | 3 | 1 | 0 | 2010-05-26 |
| Jordet skole | Vestfold, Norway | 2 | 1 | 0 | 2011-05-01 |
| Odd Ivar Woll | Troms, Norway | 2 | 1 | 0 | 2008-05-25 |
| Store Bergan skole | Vestfold, Norway | 2 | 1 | 0 | 2002-06-13 |
| Torvald Bakke | Vestland, Norway | 2 | 1 | 0 | 2008-05-06 |
| Elisabeth Ellefsen | Agder, Norway | 2 | 1 | 0 | 2019-04-29 |
| Arne Kjell Askeland | Rogaland, Norway | 2 | 1 | 0 | 2022-06-12 |
| Anne hestenes | Innlandet, Norway | 1 | 1 | 0 | 2016-06-01 |
| Åstveit skole | Vestland, Norway | 1 | 1 | 0 | 2007-06-06 |
| Ebbestad skole | Buskerud, Norway | 1 | 1 | 0 | 2002-06-07 |
| Vinnes friskule | Vestland, Norway | 1 | 1 | 0 | 2007-05-14 |
| Bergen Kristne grunnskole | Vestland, Norway | 1 | 1 | 0 | 2004-06-04 |
| Heine A. Halstensen | Vestland, Norway | 1 | 1 | 0 | 2006-07-19 |
| Pascale Baudonnel | Vestland, Norway | 1 | 1 | 0 | 2007-05-11 |
| Svein Johan Sandal | Vestland, Norway | 1 | 1 | 0 | 2011-05-10 |
| Sindre Molværsmyr | Akershus, Norway | 1 | 1 | 0 | 2008-06-12 |
| May Evy Ruud | Vestfold, Norway | 1 | 1 | 0 | 2009-05-02 |
| Tove Bruun | Akershus, Norway | 1 | 1 | 0 | 2018-05-06 |
| Bovild Staabystrand | Agder, Norway | 1 | 1 | 0 | 2011-04-28 |
| May Evy Ruud | Vestfold, Norway | 1 | 1 | 0 | 2012-05-03 |
| Hans E.H. Jacobsen | Agder, Norway | 1 | 1 | 0 | 2012-04-07 |
| Jøran Røsaker | Telemark, Norway | 1 | 1 | 0 | 2012-06-11 |
| Helge Sørheim | Rogaland, Norway | 1 | 1 | 0 | 2013-05-08 |
| Roy Henrik Eriksen | Vestland, Norway | 1 | 1 | 1 | 2013-05-17 |
| Ingrid Synnøve Berning | Rogaland, Norway | 1 | 1 | 0 | 2024-05-03 |
| Anna Storø | Trøndelag, Norway | 1 | 1 | 0 | 2017-03-30 |
| Vardafjell videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1994-11-15 |
| Richard | Akershus, Norway | 1 | 1 | 0 | 2017-05-01 |
| Kristoffer Kiærbech | Troms, Norway | 1 | 1 | 0 | 2019-07-24 |
| Cristina Knutsen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2022-05-12 |