Westhay Heath is a 25.9 hectare

Hectare

The hectare is a metric unit of area defined as 10,000 square metres , and primarily used in the measurement of land. In 1795, when the metric system was introduced, the are was defined as being 100 square metres and the hectare was thus 100 ares or 1/100 km2...

 (64.0 acre) biological Site of Special Scientific Interest 2km west of Westhay

Westhay

Westhay is a village in Somerset, England. It is situated in the parish of Meare, north west of Glastonbury on the Somerset Levels, in the Mendip district.The name means 'The west field that is enclosed by hedges' from the Old English west and haga...

 village in Somerset

Somerset

The ceremonial and non-metropolitan county of Somerset in South West England borders Bristol and Gloucestershire to the north, Wiltshire to the east, Dorset to the south-east, and Devon to the south-west. It is partly bounded to the north and west by the Bristol Channel and the estuary of the...

, notified in 1990.

Westhay Heath, which is managed by the Somerset Wildlife Trust

Somerset Wildlife Trust

Somerset Wildlife Trust is a wildlife trust covering the county of Somerset, England.The trust, which was established in 1964, aims to safeguard the county's wildlife and wild places for this and future generations and manages almost 80 nature reserves. Examples include Fyne Court, Westhay Moor,...

 is an area of tall fen vegetation containing scrub, marshy grassland

Grassland

Grasslands are areas where the vegetation is dominated by grasses and other herbaceous plants . However, sedge and rush families can also be found. Grasslands occur naturally on all continents except Antarctica...

, ditches and small ponds in the heart of the peat moors on the Somerset Levels

Somerset Levels

The Somerset Levels, or the Somerset Levels and Moors as they are less commonly but more correctly known, is a sparsely populated coastal plain and wetland area of central Somerset, South West England, between the Quantock and Mendip Hills...

. This mosaic of habitats has developed on areas previously used for peat

Peat

Peat is an accumulation of partially decayed vegetation matter or histosol. Peat forms in wetland bogs, moors, muskegs, pocosins, mires, and peat swamp forests. Peat is harvested as an important source of fuel in certain parts of the world...

 extraction. The site is of importance for the presence of a nationally rare fen community, including a diverse assemblage of breeding and wintering birds. This is the only site in Somerset where the nationally rare Marsh Harrier

Marsh harrier

The marsh harriers are birds of prey of the harrier subfamily. They are medium-sized raptors and the largest and broadest-winged harriers. Most of them are associated with marshland and dense reedbeds...

(Circus areuginosus) breeds.