| Friday 10th September 2021 | ||
| In Yorkshire, the Green Warbler remained at Buckton, the Black-browed Albatross remained at Bempton and the White-tailed Lapwing remained at Blacktoft.
New discoveries today included a Collared Flycatcher on Fair Isle and an Arctic Warbler at Boddam, both Shetland, a Gull-billed Tern at Snettisham, Norfolk, a Thrush Nightingale at Calf of Man, Isle of Man, a Citrine Wagtail at Aikerness, Orkney, a Baird's Sandpiper at Blennerville, County Kerry, a Bee-eater on St Mary's, Scilly and a Baltic Gull at Thrybergh Country Park, Yorkshire. A Western Rufous Turtle Dove was on North Ronaldsay, Orkney for a second day. Other lingering rarities included the Balearic Woodchat Shrike and Western Bonelli's Warbler in Scilly, Snowy Owl in Western Isles, Black Stork in Lincolnshire, Long-billed Dowitcher in Norfolk, Baird's Sandpiper in County Cork and Bonaparte's Gulls in County Down and Kent. |
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| - Will Soar, RBA | ||