| Cygnus sp. | | 1989-09-05 | 1989-09-05 | Mosvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1999-10-20 | 1999-10-19 | Apalvågen til Fjæreidvatnet (Vestland, Norway) |
| Cygnus sp. | | 1994-09-28 | 1994-09-28 | Frøylandsvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1992-06-03 | 1992-06-03 | Frøylandsvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1992-10-05 | 1992-10-05 | Frøylandsvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1991-09-11 | 1991-09-11 | Frøylandsvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1990-10-24 | 1990-10-24 | Frøylandsvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1993-09-29 | 1993-09-29 | Frøylandsvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1992-09-16 | 1992-09-16 | Frøylandsvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1992-05-04 | 1992-05-04 | Frøylandsvatnet (Rogaland, Norway) |
| Cygnus sp. | | 1990-06-01 | 1990-06-01 | Longvatnet (Rogaland, Norway) |