Mersey Estuary


Site overview: This site comprises large areas of saltmarsh and mud-flats. These provide feeding and roosting sites for large populations of waterbirds. During the winter, the site is of major importance for ducks and waders. The site is also important during the spring and autumn migration periods, particularly for wader populations moving along the west coast of Britain.


Designation Status
Designated
Last Updated
6 June 2017
MPA Type
Special Protection Area
MPA Purpose
areas of the most important habitat for rare (listed on Annex I to the Directive) and migratory birds within the European Union



Coordinates

53° 19' 10" North,
2° 51' 11" West

Surface Area

50.27 km2
(19.41 mi.2 )

Iconic features protected by this site

Habitat

  • Tidal rivers, Estuaries, Mud flats, Sand flats, Lagoons (including saltwork basins)
  • Salt marshes, Salt pastures, Salt steppes

Species

  • Ringed plover (Charadrius hiaticula) (Regularly occurring migratory species)
  • Eurasian wigeon (Anas penelope) (Regularly occurring migratory species)
  • Common redshank (Tringa totanus) (Regularly occurring migratory species)
  • Dunlin (Calidris alpina alpina) (Regularly occurring migratory species)
  • Black-tailed godwit (Limosa limosa islandica) (Regularly occurring migratory species)
  • Grey plover (Pluvialis squatarola) (Regularly occurring migratory species)
  • Common shelduck (Tadorna tadorna) (Regularly occurring migratory species)
  • Eurasian curlew (Numenius arquata) (Regularly occurring migratory species)
  • Great crested grebe (Podiceps cristatus) (Regularly occurring migratory species)
  • Northern lapwing (Vanellus vanellus) (Regularly occurring migratory species)
  • Northern pintail (Anas acuta) (Regularly occurring migratory species)
  • Eurasian teal (Anas crecca) (Regularly occurring migratory species)