Peak WEBS Data since 1994
International importance: The site can hold 1% of the world population of a particular species.
National importance: The site can hold 1% of the British population of a particular species.
Species | Qualifying No's for International Importance.* | Qualifying No's for National Importance.* | Peak count for Sunderland / Middleton. | Date |
Pink-footed Goose | 1900 | 1900 | 1500 | Jan '94 |
Widgeon | 7500 | 2800 | 500 | Jan '95 |
Shelduck | 2500 | 750 | 200 | Jan '96 |
Oystercatcher | 9000 | 3600 | 5500 | Nov'97 |
Golden Plover | 18000 | 2500 | 2200 | Dec '00 |
Grey Plover | 1500 | 440 | 800 | Dec '97 |
Knot | 3500 | 2900 | 59000 | Jan '98 |
Sandling | 1000 | 230 | 300 (Migrants) | May '95 |
Dunlin | 14000 | 5300 | 35000 | Nov '97 |
Bar-tailed Godwit | 1000 | 500 | 2460 | Feb '00 |
Curlew | 3500 | 1200 | 1900 | Sept '98 |
Redshank | 1500 | 1100 | 700 | Aug '95 |
* Figures are based on The Wetlands Bird Survey 1992-1993, Waters, R.J. & Cranswick, P.A. 1993.