| Oter (Lutra lutra) | | 1993-10-12 | 1993-10-12 | Bastøy (Vestfold, Norway) |  |
| Oter (Lutra lutra) | | 1993-11-25 | 1993-11-25 | Alsvågen (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1993-11-25 | 1993-11-25 | Alsvågen (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1995-09-21 | 1995-09-21 | Sandå-Skarestrand (Agder, Norway) | |
| Oter (Lutra lutra) | | 1994-10-17 | 1994-10-17 | Sandå-Skarestrand (Agder, Norway) | |
| Oter (Lutra lutra) | | 1993-11-16 | 1993-11-16 | Alvestad-Grøtavær (Troms, Norway) | |
| Oter (Lutra lutra) | | 1993-11-16 | 1993-11-16 | Alvestad-Grøtavær (Troms, Norway) | |
| Oter (Lutra lutra) | | 1998-09-29 | 1998-09-29 | Bjerkvik (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1996-09-26 | 1996-09-26 | Stavern (Vestfold, Norway) | |
| Oter (Lutra lutra) | | 1993-09-21 | 1993-09-21 | Gjelsvik (Vestland, Norway) | |
| Oter (Lutra lutra) | | 1993-11-04 | 1993-11-04 | Frostvedt (Vestfold, Norway) | |
| Oter (Lutra lutra) | | 1997-09-24 | 1997-09-24 | Stathelle (Telemark, Norway) | |
| Oter (Lutra lutra) | | 1997-09-24 | 1997-09-24 | Stathelle (Telemark, Norway) | |
| Oter (Lutra lutra) | | 1993-10-20 | 1993-10-20 | Stathelle (Telemark, Norway) | |
| Oter (Lutra lutra) | | 1995-01-02 | 1995-01-02 | Hestvika (Trøndelag, Norway) | |
| Oter (Lutra lutra) | | 1993-12-14 | 1993-12-14 | Vikøyri (Vestland, Norway) | |
| Oter (Lutra lutra) | | 1999-12-02 | 1999-05-04 | Uten navn (Vestfold, Norway) | |
| Oter (Lutra lutra) | | 1993-09-28 | 1993-09-28 | Førdesfjorden (Rogaland, Norway) | |
| Oter (Lutra lutra) | | 1993-10-13 | 1993-10-13 | Skoklefald (Akershus, Norway) | |
| Oter (Lutra lutra) | | 1997-09-24 | 1997-09-24 | Feda (Agder, Norway) | |
| Oter (Lutra lutra) | | 1995-09-14 | 1995-09-14 | Meløy (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1995-09-14 | 1995-09-14 | Meløy (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1993-11-01 | 1993-11-01 | Meløy (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1993-09-14 | 1993-09-14 | Støtt (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1994-11-29 | 1994-11-29 | Strand (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1994-11-30 | 1994-11-30 | Sortland (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1994-01-13 | 1994-01-13 | Sortland (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1995-10-03 | 1995-10-03 | Saura (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1994-11-29 | 1994-11-29 | Saura (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1994-11-09 | 1994-11-09 | Englan (Nordland, Norway) | |
| Oter (Lutra lutra) | | 1997-09-12 | 1997-09-12 | Karlsvikodden (Vestfold, Norway) | |
| Oter (Lutra lutra) | | 1993-09-02 | 1993-09-02 | Kvitblikkvannet (Nordland, Norway) | |
Sustain.no is provided by the Norwegian Centre for Science Education