This moulting adult WHITE_WINGED BLACK TERN (photographed here by Richard Bayldon) is frequenting Ferry Lagoon and the adjacent Windsurfing Pit at Fen Drayton GP for its fourth day today.
This is the UK400 Club Rare Bird Alert highlighting all records of avian interest and published in association with Rare Bird Alert Pagers and utilising additional information gleaned from the Regional Birdlines, BirdGuides, local email groups and individual observers