Record numbers of two of the rarest British birds of prey have been baffling bird watchers at Lakenheath Fen.
On Sunday 29 marsh harriers and seven hen harriers (pictured here by Andy Hay, RSPB images)were seen at the RSPB reserve on the edge of Lakenheath but nobody is sure why they have turned up in such numbers.
Reserve information officer David White said: “Marsh harriers used to be summer visitors only and though more and more spend the winter here, 29 is unprecedented.
“Hen harriers breed on moorland, mainly in Scotland. In England they’re hanging on by a thread. The highest official record for them here is seven birds.”
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