|Number seen/Abundance||Date||Location||Comments||Recorded by|
Open ocean, South West UK
|12 in group 1 with calf||Georgina Budd|
Approx 15 miles off Howth Head, Dublin. Sea state 1. Depth 56.4 metres and water temperature of 13.2
|Large school of 150 -200 common dolphin swimming, bow-riding and breaching for 10 minutes. Associated seabirds included common gull, manx shearwater and gannets. Bearing 000 N||Gary Burrows|
|20 - 30||2004-07-26||St Mary's Channel
South of St Mary's Channel, Scillies, approx 5 miles (lat/long estimated).
|Pod initially seen under flock of gannets diving for fish. It broke off to circle the yacht and ride the bow wave for about 5 minutes before dispersing.||John Hepburn|
|0830 BST moving west.||Penelope Rowley|
|2||2005-07-17||North St. Agnes,
North St. Agnes, Isles of Scilly
|8.30 BST North of St.Agnes playing & travelling in a NW direction||Sonia Rowley|
Diving SW of Lundy
South West of Lundy
Half mile south of East end Plymouth Breakwater
|Young, dead in water, head wound, possibly from net or prop||Mark Prior|
|8 or 9||2008-04-26||Offshore Rame Head
Offshore Rame Head
|Came to the RIB and spent some time playing in the bow wave before going to another boat. (image available)||Brian Watts|
|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.||Norman Jackson|
Offshore from Pembroke. Wind NE3, baro 1010, bright sun
|huge pod, stayed with us for an hour or so, seemed to be mother and baby teams would come to the boat in squads fo 4 to ride the bow wave and then head off again. Some leaping clear of the water.||Sarah Brown|
|12||2010-08-08||Pendeen Point, Cornwall
2 miles off Pendeen Point, Cornwall, initial contact in the overfalls.
|Approached the boat in the overfalls off Pendeen Point. One large male, 2 juvenile males, at least 4 females with calves, possibly 4 other juveniles. Male had distinctive scar 20cm behind dorsal fin on left side.||Phillip REES|
|10||29/07/2011||Sea off North Devon between Clovelly and Hartland Quay
Sea up to about a mile offshore in North Devon.
|several hundred||30/05/2012||Forties, North Sea
Aboard drilling rig Rowan Gorilla VII approx 6km NE of offshore platform Forties Echo in the North Sea, sector 22/6a.
|stood watching them go by for a good 5 minutes||Mark Taylor|