Gulls, gulls & more gulls!

Just back from the "Thornham channel" pre-roost, boy oh boy - there was some gulls tonight. Never seen so many Common Gulls, in fact after 2-3 estimates around 4500 of them! Also 400 Herring Gulls, 70 Great black-backed Gulls & 1 Lesser black-backed Gull. I did see a good candidate on mantle colour for Yellow-legged but couldn't get the primary pattern or legs, so that one escaped. 60 Golden Plover again here.