ID | Where | Distinct Sightings |
1971 | Undisclosed | 284 |
503 | STRUMPSHAW FEN NORFOLK | 171 |
183 | FAR INGS | 160 |
350 | MESSINGHAM SAND QUARRIES | 149 |
166 | EAST HALTON | 148 |
375 | NORTH CAVE WETLANDS | 128 |
449 | RSPB Minsmere,
Sheepwash Lane | 127 |
526 | Titchwell Marsh | 125 |
542 | Tyttenhanger Gravel Pits,
St Albans | 122 |
904 | RSPB OTMOOR | 119 |