HC Deb 30 June 1992 vol 210 c479W
Mr. Pike

To ask the Secretary of State for the Environment for what species of wildfowl and wading birds the Mersey estuary is(a) nationally important and (b) internationally important.

Mr. Maclean

The Mersey estuary is internationally important for its wintering population of Teal, Pintail, Shelduck, Redshank and Dunlin, and nationally important for its wintering populations of Grey Plover, Wigeon and Curlew.

Proportions of relevant international and national populations of waterfowl are as follows (figures are for the five year peak mean, for the period 1986–87 to 1990–91):

Species Winter peak mean Percentage of international population Percentage of British population
Teal 10,679 2.6 10.6
Grey Plover 710 0.4 3.3
Wigeon 6,644 0.8 2.6
Pintail 5,907 8.4 23.6
Curlew 1,443 0.4 1.5
Redshank 3,824 3.5 5.0
Shelduck 3,392 1.3 4.5
Dunlin 23,928 1.7 5.5