Herring Gull 1R1B
I say, well known, because I saw this bird in exactly the same spot ( the top of a dustbin on the pier) back in July 2015 (see here). There were lots of other Herring Gulls around, along with the odd Fulmar and a pair of Shags. Red Admiral butterflies were present in good numbers (10+), and 4 Small Tortoiseshells were also seen.
Scarborough was a little busier. There were hundreds of pairs of Kittiwakes in and around the town centre and cliffs, including several with growing chicks.
Also present were Herring, Lesser Black-backed, Great Black-backed, Black-headed and Mediterranean Gulls (3 of the latter, including 1 adult in full breeding plumage, on the sea by The Spa).
Turnstones were seen in the harbour, along with a small flock of 10 Redshank, a few more Kittiwakes and a pair of Rock Pipits that were carrying food to an unseen nest.