| Wednesday 20th December 2023 | ||
| The highlight of the day was the discovery of an American Robin in Highland briefly in Caithness.
Lingering rarities confirmed as still present were Canvasback and Red-breasted Goose in Essex, Black-throated Thrush in East Yorkshire, Pallid Harrier between Carmarthenshire and Glamorgan, Kentish Plover in Somerset, Bonaparte's Gull in County Antrim, Ferruginous Duck in Norfolk, Lesser Yellowlegs in Lincolnshire, Suffolk, and East Yorkshire, and Lesser Scaups in Devon (5), Nottinghamshire, Pembrokeshire, Somerset, Western Isles, and County Waterford. |
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| - Chris Batty, RBA | ||