Genus: Terns (Sterna)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Alta ungdomsskole | Finnmark, Norway | 14 | 1 | 0 | 2024-05-22 | |
| Altaelvmunningen | Finnmark, Norway | 1 | 1 | 0 | 2006-05-29 | |
| Arkavatnet | Rogaland, Norway | 2 | 2 | 0 | 1994-11-15 | |
| Bjerkvik | Nordland, Norway | 1 | 1 | 0 | 2006-05-28 | |
| Borkenes | Troms, Norway | 7 | 1 | 0 | 2022-05-29 | |
| Botngårdsfjæra | Trøndelag, Norway | 1 | 1 | 0 | 2006-05-24 | |
| Breivik | Rogaland, Norway | 24 | 1 | 2 | 2024-05-02 | |
| Burfjord fjære | Troms, Norway | 2 | 2 | 0 | 2019-07-24 | |
| Buøya | Agder, Norway | 1 | 1 | 0 | 2006-05-05 | |
| Byparken | Vestland, Norway | 3 | 1 | 0 | 2006-05-02 | |
| Byrknes | Vestland, Norway | 10 | 2 | 0 | 2019-05-19 | |
| Byrknes Skule | Vestland, Norway | 5 | 1 | 0 | 2024-05-02 | |
| Børsesjø | Telemark, Norway | 1 | 1 | 0 | 2012-06-11 | |
| Bøyaøyri naturreservat | Vestland, Norway | 1 | 1 | 0 | 2006-05-05 | |
| Båtsfjord skole | Finnmark, Norway | 2 | 1 | 0 | 2009-06-21 | |
| Eidfjord | Vestland, Norway | 1 | 1 | 0 | 2006-05-05 | |
| Eikangervåg | Vestland, Norway | 2 | 2 | 0 | 2007-05-17 | |
| Elnastangen | Akershus, Norway | 1 | 1 | 0 | 2017-05-01 | |
| Ersfjordbotn (Kvaløya) | Troms, Norway | 1 | 1 | 0 | 2016-05-21 | |
| Fanafjorden | Vestland, Norway | 1 | 1 | 0 | 2007-05-08 | |
| Fedje | Vestland, Norway | 8 | 2 | 0 | 2011-05-09 | |
| Fedje | Vestland, Norway | 3 | 2 | 0 | 2005-08-21 | |
| festningsdammen | Finnmark, Norway | 1 | 1 | 0 | 2011-05-22 | |
| Finden | Vestland, Norway | 1 | 1 | 0 | 2006-05-12 | |
| Fiskumvannet | Buskerud, Norway | 1 | 1 | 0 | 2006-05-12 | |
| Fjøløy | Rogaland, Norway | 1 | 1 | 0 | 2013-05-08 | |
| Flekkefjord. Lafjorden | Agder, Norway | 1 | 1 | 0 | 2012-04-07 | |
| Flesland | Vestland, Norway | 19 | 2 | 0 | 2008-05-06 | |
| Frakkagjerddalen | Rogaland, Norway | 1 | 1 | 0 | 2022-06-12 | |
| Fuglenes Hammerfest | Finnmark, Norway | 8 | 2 | 0 | 2024-06-12 | |
| Gakori | Finnmark, Norway | 11 | 1 | 0 | 2014-10-14 | |
| Geitahaugen | Vestland, Norway | 2 | 1 | 0 | 2016-05-23 | |
| Gismarvikvegen 558 | Rogaland, Norway | 1 | 1 | 0 | 2024-05-03 | |
| Gjelmarvik | Vestland, Norway | 1 | 1 | 0 | 2005-05-02 | |
| Glesvær | Vestland, Norway | 2 | 1 | 0 | 2008-05-06 | |
| Granavatnet | Trøndelag, Norway | 2 | 1 | 0 | 1990-05-28 | |
| Granholmen | Vestfold, Norway | 3 | 2 | 0 | 2002-06-13 | |
| Grannesbukta | Rogaland, Norway | 1 | 1 | 0 | 2006-04-21 | |
| Grønnskjæret, Åsane | Vestland, Norway | 1 | 1 | 0 | 2007-06-06 | |
| Gåsvær | Vestland, Norway | 1 | 1 | 0 | 2006-05-14 | |
| hage | Vestfold, Norway | 1 | 1 | 0 | 2012-05-03 | |
| Halsa-Holandsfjorden | Nordland, Norway | 5 | 1 | 0 | 2016-05-26 | |
| Hammervatnet | Trøndelag, Norway | 2 | 1 | 0 | 2006-05-14 | |
| Haukland | Nordland, Norway | 1 | 1 | 0 | 2006-05-20 | |
| Havna | Vestfold, Norway | 1 | 1 | 0 | 2006-04-23 | |
| Hellesjøvannet | Akershus, Norway | 1 | 1 | 0 | 2006-05-01 | |
| Herdla | Vestland, Norway | 1 | 1 | 0 | 2007-04-25 | |
| Herdla | Vestland, Norway | 1 | 1 | 0 | 2004-06-04 | |
| Hjellestad | Vestland, Norway | 1 | 1 | 0 | 2011-05-10 | |
| Hofles | Trøndelag, Norway | 1 | 1 | 0 | 2017-03-30 | |