Drepana
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|
| Ivar Stormo | Østfold, Norway | 92 | 2 | 12 | 2019-08-11 |
| Even Mjaaland | Rogaland, Norway | 30 | 2 | 3 | 2017-07-22 |
| Frode Falkenberg | Vestland, Norway | 18 | 2 | 7 | 2016-06-26 |
| Kjell Mjølsnes | Rogaland, Norway | 15 | 2 | 2 | 2016-06-18 |
| John Stenersen | Nordland, Norway | 12 | 2 | 4 | 2021-08-11 |
| Svein Sellevold Bekkum | Nordland, Norway | 11 | 1 | 4 | 2013-06-26 |
| Øyvind Stickler | Vestfold, Norway | 10 | 1 | 7 | 2022-07-21 |
| John Skartveit | Vestland, Norway | 7 | 1 | 2 | 2015-08-09 |
| Alf Tore Mjøs | Rogaland, Norway | 5 | 1 | 4 | 2016-06-07 |
| Leiv Tommas Haugen | Rogaland, Norway | 5 | 2 | 0 | 2019-06-16 |
| Dag Øivind Ingierd | Akershus, Norway | 5 | 1 | 5 | 2013-06-30 |
| John Grønning | Rogaland, Norway | 4 | 1 | 1 | 2015-07-03 |
| Anders Lundberg | Vestland, Norway | 3 | 2 | 2 | 2018-06-07 |
| Olav Krogsæter | Vestland, Norway | 3 | 1 | 2 | 2013-07-13 |
| Rune Voie | Vestland, Norway | 3 | 1 | 2 | 2011-07-13 |
| Ola Moen | Vestland, Norway | 3 | 1 | 1 | 2016-06-19 |
| Sveinung Sigbjørnsen | Vestland, Norway | 2 | 1 | 1 | 2018-06-03 |
| Geirr O Pedersen | Akershus, Norway | 2 | 1 | 1 | 2011-07-17 |
| Lars Erik Johannessen | Østfold, Norway | 1 | 1 | 1 | 2014-08-17 |
| Eivind Nielsen | Rogaland, Norway | 1 | 1 | 0 | 2015-08-05 |
| John Martin Mjelde | Oslo, Norway | 1 | 1 | 0 | 2007-06-26 |
| Ole Terland | Vestland, Norway | 1 | 1 | 1 | 2018-05-26 |
| Jan-Erik Olsen | Østfold, Norway | 1 | 1 | 1 | 2019-05-18 |
| Kjell Tore Vogsland | Telemark, Norway | 1 | 1 | 1 | 2007-06-13 |
| Stein Rui | Vestfold, Norway | 1 | 1 | 0 | 2019-07-31 |
| Egil Frantzen | Vestland, Norway | 1 | 1 | 1 | 2008-06-17 |