| Number seen/Abundance | Date | Location | Comments | Species |
|---|---|---|---|---|
| 5 | 2002-07-13 | Abersoch bay/St Tudwals Islands |
Every day at 10.00 and 16.00 | Phocoena phocoena |
| 2 or 3 | 2002-07-13 | St Tudwals Islands, off Abersoch |
Halichoerus grypus | |
| 5 | 2002-07-13 | Abersoch bay Abersoch bay/St Tudwals Islands |
Every day at 10.00 and 16.00 | Phocoena phocoena |