David Tipling / 2020VISION / Pink-footed Geese (Anser brachyrhynchus) in flight at dusk. The Wash. Norfolk, January.

Chris Gomersall / 2020VISION / Flock of Dunlin (Calidris alpina) in flight at sunset over the Wash estuary, Snettisham RSPB reserve, Norfolk, England, UK, March. Did you know? While migrating, dunlins travel in massive groups of up...

Chris Gomersall / 2020VISION / Flock of Red knot (Calidris canutus) and Bar-tailed godwit (Limosa lapponica) in flight at high water on the Wash estuary, Snettisham RSPB reserve, Norfolk, England, UK, March

Chris Gomersall / 2020VISION / Flock of Red knot (Calidris canutus) in flight at high water on the Wash estuary, Snettisham RSPB reserve, Norfolk, England, UK, March

Chris Gomersall / 2020VISION / Flock of dark-bellied brent geese (Branta bernicla) on foreshore, Snettisham RSPB reserve, The Wash, Norfolk, England, UK, January 2012

Chris Gomersall / 2020VISION / Dark-bellied brent goose (Branta bernicla) feeding on shore just after high water, The Wash, Norfolk, England, UK, January 2012

Chris Gomersall / 2020VISION / Grey plover (Pluvialis squatarola) adult in winter plumage on mudflats, The Wash, Norfolk, England, UK, December

Chris Gomersall / 2020VISION / Common teal (Anas crecca) drake feeding on mudflats, The Wash, Norfolk, England, UK, March

Chris Gomersall / 2020VISION / Common redshank (Tringa totanus) in winter plumage, feeding on mudflats, The Wash, Norfolk, England, UK, March

Chris Gomersall / 2020VISION / Black-tailed godwit (Limosa limosa) adult in winter plumage feeding on mudflats, The Wash, Norfolk, England, UK, December

Chris Gomersall / 2020VISION / Black-tailed godwit (Limosa limosa) adult in winter plumage feeding on mudflats, The Wash, Norfolk, England, UK, December

Chris Gomersall / 2020VISION / Sanderling (Calidris alba) in winter plumage feeding on tideline, The Wash, Norfolk, March. Did you know? The Sanderling is the only British wading bird that has no back toe; this gives it a distincti...