Caption
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 to 1500, and they may live in groups of hundreds of thousands in their winter grounds.
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland