Birdwatchers in Standlake Common were astonished at an “extremely rare” sighting of four birds from North America.
Keen twitcher Dave Doherty first spotted the four ring-necked ducks resting in pit 60 at the nature reserve at about 7am on Saturday.
Fellow birdwatcher 39-year-old Dave Morgan, 39, found out about the discovery and rushed to see them.
He said: “To see four of these birds together, so far inland, is extremely rare.
“I saw three of these birds together once before, but that was on the Isle of Scilly.”
Mr Morgan added the birds were about two or three years old and could have been blown off course in recent storms.
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