Halsdon nature reserve
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Halsdon is a Site of Special Scientific Interest (SSSI)[1][2] in Devon, England. This protected area is located between the villages Merton and Dolton and includes part of the valley of the River Torridge. The area is protected because of its ancient oak woodland and the bird species this supports.
Habitats within Halsdon SSSI include woodland and marshy grassland. Tree species in the woodland include sessile oak and beech. Shrubs including holly, rowan, hazel and bilberry are also present. Herbaceous plants in the woodland include common cow-wheat, broad buckler-fern and hard-fern. On more nutrient-rich soil, tree species include ash, pedunculate oak, sycamore and downy birch and herbaceous plants include enchanter's nightshade and bugle. There are also several blocks of conifer plantation and Rhododendron ponticum is an invasive species in some areas.[1]
Plant species in marshy grassland include meadowsweet, purple loosestrife and wild angelica.[1] Butterfly species include purple hairstreak, silver-washed fritilary and speckled wood.[1]
Bird species in this protected area include sparrowhawk, buzzard, wood warbler, pied flycatcher, kingfisher and dipper. Mammal species include water vole and otter.[1]