Sterna paradisaea (Arctic Tern)
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| NOF Hordaland | Vestland, Norway | 20 | 1 | 0 | 2008-05-11 |
| Vestre Jakobselv skole | Finnmark, Norway | 20 | 1 | 0 | 2023-05-25 |
| Alta ungdomsskole | Finnmark, Norway | 14 | 1 | 0 | 2024-05-22 |
| Norsk Ornitologisk Forening | Trøndelag, Norway | 13 | 1 | 0 | 2006-06-06 |
| Trond Helge Jensen | Troms, Norway | 12 | 1 | 0 | 2017-05-30 |
| Alta oppvekstkontor | Finnmark, Norway | 11 | 1 | 0 | 2014-10-14 |
| Kaldfjord skole | Troms, Norway | 11 | 1 | 0 | 2014-06-12 |
| Edin Reinholtsen | Nordland, Norway | 9 | 1 | 0 | 2024-05-23 |
| Grethe Nicolaysen | Nordland, Norway | 8 | 1 | 0 | 2024-05-24 |
| Pasvik skole | Finnmark, Norway | 8 | 1 | 0 | 2013-08-26 |
| Erik Imerslund | Finnmark, Norway | 6 | 1 | 0 | 2016-05-19 |
| Olaf Hunsdal | Troms, Norway | 5 | 1 | 0 | 2013-05-26 |
| Korsfjord Oppvekstsenter/Avdeling skole | Finnmark, Norway | 5 | 1 | 0 | 2007-05-24 |
| Kristian Moen | Finnmark, Norway | 5 | 1 | 0 | 2023-06-14 |
| Bioforsk Svanhovd | Finnmark, Norway | 3 | 1 | 0 | 2017-06-06 |
| Britt Jenssen | Troms, Norway | 3 | 1 | 0 | 2017-06-25 |
| Kaland barne- og ungdomsskule | Vestland, Norway | 3 | 1 | 0 | 2018-04-23 |
| Terje Bjerkan | Trøndelag, Norway | 3 | 1 | 0 | 2013-01-27 |
| Båtsfjord skole | Finnmark, Norway | 2 | 1 | 0 | 2009-06-21 |
| Arve Henningsen | Nordland, Norway | 2 | 1 | 0 | 2008-05-28 |
| Heidi Esjeholm | Nordland, Norway | 2 | 1 | 0 | 2016-06-13 |
| David Whittall | Nordland, Norway | 2 | 1 | 0 | 2014-05-21 |
| Hans Karl Karlsen | Nordland, Norway | 2 | 1 | 0 | 2008-05-25 |
| Bugøynes Oppvekstsenter/Avdeling skole | Finnmark, Norway | 2 | 1 | 0 | 2003-06-11 |
| Kristoffer Kiærbech | Troms, Norway | 1 | 1 | 0 | 2019-07-24 |
| Askim videregående skole | Østfold, Norway | 1 | 1 | 0 | 1991-05-28 |
| Byrknes skule | Vestland, Norway | 1 | 1 | 0 | 2004-05-18 |
| Store Bergan skole | Vestfold, Norway | 1 | 1 | 0 | 2001-05-30 |
| Kirkenes ungdomsskole | Finnmark, Norway | 1 | 1 | 0 | 2010-05-21 |
| Kjøkkelvik skole | Vestland, Norway | 1 | 1 | 0 | 2009-05-25 |
| Frede Thorsheim | Vestland, Norway | 1 | 1 | 0 | 2011-05-09 |
| Birger Knudsen | Finnmark, Norway | 1 | 1 | 0 | 2011-05-22 |
| Laila Pettersen | Troms, Norway | 1 | 1 | 0 | 2010-06-01 |
| Birger Knudsen | Finnmark, Norway | 1 | 1 | 0 | 2013-05-24 |
| Ottar Sætre | Møre og Romsdal, Norway | 1 | 1 | 0 | 2021-05-15 |
| Roald Inge Nilsen | Finnmark, Norway | 1 | 1 | 0 | 2014-05-20 |
| Vardafjell videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1994-11-15 |