Birdwatchers view as thousands of wading birds move between the sea and dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018. (Photo/Agencies)
Thousands of wading birds, including Knot, fly onto dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018. (Photo/Agencies)
Murmurations are seen above a boat as thousands of wading birds fly onto dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018. (Photo/Agencies)
A murmuration is seen above a trawler as thousands of wading birds fly onto dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018. (Photo/Agencies)
Thousands of wading birds, including Knot and Godwit, move onto dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018. (Photo/Agencies)
Thousands of wading birds, including Knot, fly onto dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018. (Photo/Agencies)
Thousands of wading birds, including Knot, fly onto dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018. (Photo/Agencies)
Thousands of wading birds including Oystercatchers fly onto dry sandbanks during the month's highest tides at The Wash estuary, near Snettisham in Norfolk, Britain, September 13, 2018.(Photo/Agencies)
