| Saturday 17th April 2021 | ||
| New discoveries today included a Bee-eater over Earls Barton, Northamptonshire, a Black Kite on Papa Westray then Westray, Orkney and a White-billed Diver off Unst, Shetland.
Lingering rarities included the White-throated Sparrow in Sussex, American Herring Gull in Cornwall, Spotted Sandpiper in Ayrshire, Long-billed Dowitcher in Yorkshire, Bee-eater in Scilly, Dusky Warbler in Merseyside, four White-billed Divers in Moray, three in Aberdeenshire and one in Lothian, Pied-billed Grebe in Argyll and Lesser Scaup in County Fermanagh. |
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| - Will Soar, RBA | ||