Fendrayton RSPB site Cambridgeshire, got told about the White Winged Black Tern from the RSPB wardens. Locaited it on Ferry Lagoon lovley find.
I basically went to see the Marsh Harriers as they have two ready to fledge, they are just in the reeds about 50 meters from the RSPB car Park.
sorry about spelling got excited posting