Anas querquedula

Range & Status

Palearctic; in Britain and Ireland a summer visitor, with 20-115 breeding pairs (chiefly

eastern England).

Regional Distribution

Cornwall: very small numbers annual on passage; sporadic breeder in western parts of Cornwall, including three successive years (1981-1983). Isles of Scilly: scarce, but annual on passage. Bred occasionally on Tresco with breeding confirmed in 1958.

Habitat & Ecology

Freshwater pools and marshes, with emergent and fringe vegetation. Numbers arriving in spring fluctuate greatly, unlikely to become a permanent breeding species in the Cornwall.


Vulnerable to wetland drainage and disturbance.


Most sites are SSSI. Protected under Schedule 1 of the Wildlife and Countryside Act 1981 and Annexe 11/1 of the European Union Conservation of Wild Birds Directive. Listed (long list) as a globally threatened/declining species (BSGR, 1995).