Outbound: Penzance to Wolf rock; 1 Great Northern Diver (summer plumage), 9 Gannet, c400 Manx Shearwater, 5 Whimbrel,
2 Sandwich Terns, 12 Guillemot, 5 Razorbill. Wolf rock to St Mary's; 1 Great Northern Diver, 65 Manx Shearwater, 1 Marsh Harrier (on approach to St Mary's, flying towards St Agnes), c20 Guillemot.
Return: St Mary's to Wolf rock; 1 Great Northern Diver, 5 Gannet, 6 Manx Shearwater, 10 Guillemot, 1 Razorbill, 2 Swallow (east) also, 1 Harbour Porpoise going west and a breech observed c3 miles W/NW of wolf rock, initially a large splash seen then a large animal left the water vertically, re-entering with a large splash, no further sightings, it looked too large to have been a Basking Shark, I supect a whale sp. Wolf rock to Penzance; 12 Gannet, 4 Fulmar, 1 Eider, 13 Guillemot, 4 Razorbill,
2 Swallow (west).