Had a look down to Teesside to see the adult Yellow-legged Gull. After half an hour I picked up the following gull sitting on a distant lamp post. I drove closer and the bird could be seen to be big with a hefty bill, darkish grey wings and most importantly yellow legs.
I also got a couple of flight shots and looking at these at home spoilt the day.
The primaries look great from p10 down to p6, but p5 should have a full black band, while this bird has just a narrow band on the outer web. Arses!