Cogley Wood (grid reference ST703345) is a 60.7 hectare biological Site of Special Scientific Interest east of Bruton in Somerset, notified in 1987. The name is believed to be from Cock ley meaning a clearing with birds. 36 species of resident breeding butterfly have been recorded including Marsh Fritillary (Euphydryas aurinia), High Brown Fritillary (Argynnis cydippe), Brown Hairstreak (Thecla betulae), Duke of Burgundy (Hamearis lucina) and Purple Emperor (Apatura iris).