Species: Hoggorm (Vipera berus)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Asakmarka | Akershus, Norway | 1 | 1 | 0 | 2009-04-30 | |
| Berger | Buskerud, Norway | 1 | 1 | 0 | 2008-04-17 | |
| Biri Øverbygd | Innlandet, Norway | 1 | 1 | 0 | 2021-04-15 | |
| Bjørkelangen | Akershus, Norway | 1 | 1 | 0 | 2017-04-10 | |
| Bjørnstad | Innlandet, Norway | 2 | 1 | 1 | 2010-04-08 | |
| Bærumsmarka | Akershus, Norway | 1 | 1 | 0 | 2007-04-16 | |
| Eikedokktjernet | Buskerud, Norway | 1 | 1 | 0 | 1994-11-16 | |
| Fossevatna naturreservat | Vestland, Norway | 1 | 1 | 0 | 2002-06-30 | |
| Grovannet | Agder, Norway | 2 | 1 | 0 | 2014-04-02 | |
| hamre | Agder, Norway | 1 | 1 | 0 | 2015-04-23 | |
| Harestuvannet | Akershus, Norway | 1 | 1 | 0 | 1994-06-09 | |
| Hebekkskogen | Akershus, Norway | 1 | 1 | 0 | 2019-04-09 | |
| Hola | Agder, Norway | 1 | 1 | 0 | 2016-03-21 | |
| Hovdastad | Rogaland, Norway | 2 | 1 | 0 | 2010-09-26 | |
| Hustoft gnr. 150/4 | Rogaland, Norway | 13 | 1 | 2 | 2023-04-06 | |
| Jordet skole | Vestfold, Norway | 1 | 1 | 0 | 2005-04-11 | |
| Kirkeby skole | Akershus, Norway | 12 | 1 | 0 | 2019-05-02 | |
| kjenna øystad | Agder, Norway | 1 | 1 | 0 | 2016-05-11 | |
| Kjerkåsen | Telemark, Norway | 1 | 1 | 0 | 2021-05-24 | |
| Kvåle, Bergegrend | Vestland, Norway | 1 | 1 | 0 | 2010-04-05 | |
| Ledengstjern | Østfold, Norway | 1 | 1 | 0 | 1994-05-27 | |
| Liatårnet | Vestland, Norway | 2 | 1 | 0 | 2006-05-09 | |
| Lie | Vestland, Norway | 1 | 1 | 0 | 2006-05-09 | |
| Likvik, Skjold | Rogaland, Norway | 1 | 1 | 0 | 2020-04-01 | |
| Lines | Trøndelag, Norway | 4 | 1 | 0 | 2018-04-12 | |
| Lygra | Vestland, Norway | 1 | 1 | 0 | 2014-06-08 | |
| Lysekloster | Vestland, Norway | 1 | 1 | 0 | 2009-05-05 | |
| Mølen, Vestfold | Vestfold, Norway | 1 | 1 | 0 | 2007-03-13 | |
| Nes Verk rundt | Agder, Norway | 3 | 1 | 0 | 2020-04-27 | |
| Nesland | Agder, Norway | 2 | 1 | 0 | 2023-04-06 | |
| Opsangervatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-25 | |
| Ospehaugen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2003-03-20 | |
| Prestvatn | Agder, Norway | 1 | 1 | 0 | 1991-09-05 | |
| Pulservik | Østfold, Norway | 1 | 1 | 1 | 2023-04-06 | |
| Rena og omegn | Innlandet, Norway | 4 | 1 | 7 | 2023-06-10 | |
| sandøya | Agder, Norway | 1 | 1 | 0 | 2016-06-20 | |
| Seljebøvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1994-11-22 | |
| Sjusete/Torefjell | Vestland, Norway | 1 | 1 | 1 | 2006-10-02 | |
| Skog | Innlandet, Norway | 1 | 1 | 1 | 2012-07-06 | |
| skog og kulturlandskap | Østfold, Norway | 1 | 1 | 0 | 2008-02-24 | |
| Storvik | Trøndelag, Norway | 4 | 1 | 1 | 2022-06-30 | |
| Syljulia | Innlandet, Norway | 1 | 1 | 0 | 2014-03-14 | |
| Sælen Oppveksttun/Avdeling skole | Vestland, Norway | 1 | 1 | 0 | 2013-04-11 | |
| Tau | Rogaland, Norway | 1 | 1 | 0 | 2020-04-28 | |
| Tau ungdomsskole | Rogaland, Norway | 1 | 1 | 0 | 2020-04-28 | |
| Trytetjønnet | Buskerud, Norway | 1 | 1 | 0 | 1994-11-16 | |
| Tveitogrend | Telemark, Norway | 1 | 1 | 0 | 2020-04-29 | |
| Tylldalen | Innlandet, Norway | 4 | 1 | 0 | 2011-05-04 | |
| Ved Frøne i Østbygda | Østfold, Norway | 1 | 1 | 0 | 2018-05-10 | |
| Verinane | Vestland, Norway | 1 | 1 | 0 | 2018-05-15 |