| Number seen/Abundance | Date | Location | Comments | Species |
|---|---|---|---|---|
| 1 | 2005-06-06 | At anchor off Eileach an Naoimh (Garvellachs) |
Swam slowly past boat (depth <1m). Approx 60cm diameter. Identified by Dr Emma Jackson | Rhizostoma pulmo |
| At least 20 | 2008-05-27 | Eriskay 0.5nm SE of Eriskay, Outer Hebrides |
Came directly from the shore to our boat and then rode the bow wave for 20 minutes or so. At least one calf (I have a very clear picture). A few stayed with us into the entrance of Acairseid Mhor. | Tursiops truncatus |
| Over 100 | 2008-06-06 | East of Scalpay 1.5nm East of Scalpay, Loch Tarbert, Harris |
Two large groups, one from the South and one from the West converged on our boat. Stayed for about 15 min and then left as one group. | Delphinus delphis |
| 1 | 2008-05-29 | Rubha Na H Ordaig 1nm SE of Rubha Na H Ordaig, South Uist, Outer Hebrides |
Seen 3 times over a 10 minute period | Balaenoptera acutorostrata |
| 1 | 2008-06-12 | Acairseid Mhor Acairseid Mhor, Rona. |
Slowly feeding near the surface around our boat for 20 minutes in this very small anchorage. Estimate overall length to be 6m | Cetorhinus maximus |
| 1 | 2008-08-31 | e.g. South coast of Lindisfarne, near the harbour. |
Good views. Relatively small (3m) | Cetorhinus maximus |
| 1 | 2008-08-31 | North of Rona. |
Soon after seeing smaller one, this much larger one swam by (over 6m) | Cetorhinus maximus |
| 1 | 2008-09-02 | About 100 metres East of Eilean Fada Mor, Summer Isles |
Close to shore. At least 5m in length. | Cetorhinus maximus |