Wednesday 17th March 2021
	New rarities discovered today comprised a Two-barred Crossbill in Surrey at Crooksbury Common, and a Pacific Diver in County Mayo at Elly Bay. Lingering rarities confirmed as still present were the Northern Mockingbird and Lesser Yellowlegs in Devon, Double-crested Cormorant in County Kerry, Laughing Gull in Dorset, Pied-billed Grebe in Lancashire, Rustic Bunting in Surrey, Dusky Warbler in Merseyside, Spotted Sandpiper in Ayrshire, Hooded Merganser in Suffolk, White-billed Diver on the Orkney Isles, Bonaparte's Gull in both County Cork and Gloucestershire, and Long-billed Dowitchers in both County Wexford (2) and North Yorkshire. Scarcities included Yellow-browed Warbler (Buckinghamshire), Kumlien's Gull (County Kerry), Black Brant (East Yorkshire), Taiga Bean Goose (Suffolk), two each of Long-tailed Skua, Ring-billed Gull, and American Wigeon, three of Little Bunting, Great Grey Shrike, and Green-winged Teal, five of Glossy Ibis and Lapland Bunting, and a total of nine Ring-necked Ducks. Incoming spring migrants included Cuckoo (Suffolk), Willow Warbler (Dorset), White Wagtail (Ayrshire), two each of Ring Ouzel, Garganey, Osprey, and House Martin, eight Swallows, 10 Little Ringed Plovers, 16 Wheatears, and a total of 156 Sand Martins.
-  Chris Batty, RBA