| Friday 22nd September 2023 | ||
| In Glamorgan, a Cliff Swallow was found at Sker Point, with another at Tacumshin, County Wexford, a Baltimore Oriole on Rathlin Island, County Antrim and Red-eyed Vireos at Nanquidno Valley, Cornwall, Prawle Point and two on Lundy, both Devon and another two on Clare Island, County Mayo. Lingering American passerines included the Bay-breasted Warbler, Magnolia Warbler and Alder Flycatcher in Pembrokeshire, Baltimore Oriole and Red-eyed Vireo in County Galway, Cliff Swallow in County Clare, American Buff-bellied Pipit and two Red-eyed Vireos in Western Isles and another Red-eyed Vireo in Scilly.
Other new discoveries today included an Iberian Chiffchaff at Mizen Head, County Cork, a Lesser Yellowlegs at Gann Estuary, Pembrokeshire, a Semipalmated Sandpiper at Tacumshin, County Wexford, a Baird's Sandpiper on Tiree, Argyll, a White-rumped Sandpiper at Frampton Marsh, Lincolnshire and two Blyth's Reed Warblers and a Rustic Bunting in Shetland. Other lingerers included the Brown Booby in Cleveland, Forster's Tern in Dorset, Pallid Harriers in Isle of Wight, Essex and Shetland, Paddyfield Warbler in County Waterford, Lanceolated Warbler, Blyth's Reed Warbler, Arctic Warbler and Citrine Wagtail in Shetland, Greenish Warbler in Orkney, Red-footed Falcon in Northumberland, Long-billed Dowitchers in Norfolk and Orkney, Lesser Yellowlegs and Black Stork in Lincolnshire, Lesser Yellowlegs in County Wexford, Bonaparte's Gull in County Cork and Ferruginous Duck in Warwickshire. |
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| - Will Soar, RBA | ||