Surprisingly poor - not enough squalls?

Heysham Obs
North harbour wall 0530ish to 1130 (ongoing)
Pomarine Skua - one out then in again at 0825hrs
Bonxie - distant bird in then appeared to land on sea
Skua spp - dark bird out distantly
Arctic Skua - 2 dm in early, lm & dm in mid morning, lm on sea off Ocean Edge (2dm & lm on sea off nearby Cockersands c0925)
Red-throated Diver - 4
Fulmar - 6
Gannet - 14 out 5 in
Sandwich Tern - 10 early morning only
Swallow - 23 in
Arctic Tern - one out
Guillemot - one in & one on water
Whimbrel - one in, 2 out & 5 on Red Nab
Sanderling - 4+4 out
Ringed Plover - 4 out, 27 in
Dunlin - 6+10+15 out, 45 in
Black Guillemot - on wooden jetty/in hole late morning but very elusive/"invisible"!
Purple Sandpiper - one on wooden jetty & c170 Turnstone
Kittiwake - 2CY blogging early on

Mammals
At least 2 and probably 3 Common Porpoise

Elsewhere
The above Bonxie was seen at JBP. Mid-afternoon Osprey at Leighton Moss. 3 Arctic Skua (2 dm) on the sea off Cockersands c0925.