Comprising some 250 acres (100 ha) Snelsmore common represents the largest tract of lowland heath remaining in Berkshire. In fact it accounts for one sixth of the total of this sort of habitat in the county. Some of the heath has been overtaken by woodland, mainly deciduous to the west, but more coniferous in the east. The boundary between heathland and woodland is fashioned by advancing birch scrub which is controlled by voluntary conservation groups who are attempting to increase the area of heather. Habitat variety is enhanced by valley bog with its particular flora, including Bog Bean, Bog Asphodel and Sundew. The site is excellent for butterflies, including White Admiral and Purple Emperor. Lizards and Grass Snakes are common, and Adders are prevalent in some years. Mammal species on the common include Fox, Badgers, Stoat, Weasel and occasional deer. Frogs and Newts too are plentiful in the various pools that have been formed. Specialist birds of this type of habitat are Nightjar, Woodcock and Treepipit, and Dartford and Wood Warbler have also been recorded.

 

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