Only a couple of 100 BH gulls and same of Herring gull when I arrived just after 4pm, these were soon joined by a wave of BH gulls coming down the reservoir, giving a good count of 1,800 at 4:30pm. It was looking like another sparse roost with an absence of LBBs until they started to trickle in from the east at 4:45pm with a really big influx of 1,000s of LBBs at 5:15pm. 2 Glaucous gulls roosted again (1st gull appeared at 4:50pm and the 2nd watched flying in at 5pm). Interestingly both appeared pale (maybe a trick of the light as we've had a more dusky headed bird, or there may be 3 birds involved). Only 2 adult Med gulls and 3 adult Yellow-legged gulls. 6 GC grebe and pair Goldeneye.
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