Family: Mårfamilien (Mustelidae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bjørketoppen. | Buskerud, Norway | 2 | 2 | 1 | 2018-01-20 | |
| Bjørkøya | Telemark, Norway | 1 | 1 | 0 | 1993-10-14 | |
| bjørnerem | Møre og Romsdal, Norway | 1 | 1 | 0 | 2020-01-26 | |
| Bjørnsgårdgutua 2 | Innlandet, Norway | 1 | 1 | 0 | 2019-01-19 | |
| Bleikstranda | Nordland, Norway | 3 | 2 | 0 | 1997-10-22 | |
| Blixøya | Østfold, Norway | 1 | 1 | 0 | 2009-04-15 | |
| Blokknr 104 | Vestfold, Norway | 1 | 1 | 0 | 1997-09-18 | |
| Blokknr 118 | Møre og Romsdal, Norway | 5 | 1 | 0 | 1996-09-20 | |
| Blokknr 40 | Rogaland, Norway | 1 | 1 | 0 | 1995-08-29 | |
| Blokknr 40 | Troms, Norway | 1 | 1 | 0 | 1995-09-15 | |
| Blokknr 54 | Møre og Romsdal, Norway | 1 | 1 | 0 | 1997-10-01 | |
| Blokknr 95 | Vestfold, Norway | 1 | 1 | 0 | 1995-09-26 | |
| Bogstadvannet | Oslo, Norway | 1 | 1 | 0 | 1993-06-10 | |
| Bolig | Innlandet, Norway | 7 | 2 | 0 | 2016-01-30 | |
| Borofjell | Buskerud, Norway | 2 | 1 | 0 | 2023-02-02 | |
| Botnavegen 302 | Trøndelag, Norway | 1 | 1 | 0 | 2024-01-30 | |
| Brandal | Møre og Romsdal, Norway | 1 | 1 | 0 | 1996-10-16 | |
| Brandli gard | Innlandet, Norway | 9 | 3 | 0 | 2023-01-29 | |
| brandsdal | Vestland, Norway | 1 | 1 | 0 | 2017-01-29 | |
| Brandset, Vossestrand | Vestland, Norway | 2 | 1 | 0 | 2021-01-29 | |
| brandval | Innlandet, Norway | 2 | 2 | 0 | 2024-01-28 | |
| Brattbakkvegen 51 | Nordland, Norway | 1 | 1 | 0 | 2021-01-29 | |
| bratteng gård | Nordland, Norway | 1 | 1 | 1 | 2016-02-03 | |
| Bredvik | Møre og Romsdal, Norway | 1 | 1 | 0 | 1996-06-06 | |
| Breidvik | Vestland, Norway | 1 | 1 | 0 | 2021-02-02 | |
| Breidvik | Nordland, Norway | 1 | 1 | 0 | 2021-02-01 | |
| Breivik | Nordland, Norway | 1 | 1 | 0 | 2020-01-25 | |
| Brekka | Vestfold, Norway | 4 | 1 | 0 | 2021-01-30 | |
| Brekke | Vestland, Norway | 1 | 1 | 0 | 1993-09-01 | |
| Brekke | Møre og Romsdal, Norway | 1 | 1 | 0 | 2023-01-28 | |
| Brekkeveien | Oslo, Norway | 1 | 1 | 0 | 2024-03-24 | |
| Brekkomsvegen 851 | Innlandet, Norway | 1 | 1 | 0 | 2019-01-26 | |
| Briskeby | Oslo, Norway | 1 | 1 | 0 | 2023-01-30 | |
| Brokkenhusgrenda 6 | Akershus, Norway | 1 | 1 | 0 | 2021-01-30 | |
| Brokvik | Troms, Norway | 2 | 1 | 0 | 2021-01-30 | |
| Bruheim | Vestland, Norway | 1 | 1 | 0 | 2019-01-27 | |
| Brumunddal | Innlandet, Norway | 1 | 1 | 0 | 2021-01-31 | |
| Bruserudveien 255 | Vestfold, Norway | 1 | 1 | 0 | 2024-01-28 | |
| Bruvegen 36 | Agder, Norway | 2 | 1 | 0 | 2023-01-29 | |
| Brøstadveien 308 | Troms, Norway | 1 | 1 | 0 | 2020-01-25 | |
| Brårud | Akershus, Norway | 1 | 1 | 0 | 2017-01-23 | |
| buran | Trøndelag, Norway | 1 | 1 | 0 | 2012-09-04 | |
| Burfjord Bekk | Troms, Norway | 1 | 1 | 0 | 2018-02-16 | |
| Burudveien 2, Storsand | Akershus, Norway | 1 | 1 | 0 | 2021-01-31 | |
| Burøy, Skåtøyveien 167 | Telemark, Norway | 1 | 1 | 0 | 2023-01-31 | |
| Buøy | Rogaland, Norway | 1 | 1 | 0 | 1993-09-23 | |
| Bygdøy ved Langviksbukten | Oslo, Norway | 3 | 1 | 0 | 2019-01-27 | |
| Byglandsfjorden | Agder, Norway | 2 | 2 | 0 | 2023-01-27 | |
| bådalen | Møre og Romsdal, Norway | 1 | 1 | 0 | 2017-01-28 | |
| båstad | Østfold, Norway | 1 | 1 | 0 | 2021-01-30 |
Sustain.no is provided by the Norwegian Centre for Science Education