area. There is grazing to maintain the short-grassland areas in the north and east of the site and sheep's fescue is prominent. Birds Small birds are reported in wooded areas such at nuthatch, chiffchaff, wood warbler, treecreeper, marsh tit, pied flycatcher, common redstart and great spotted woodpecker. Resident waterfowl include moorhen, mallard and coot and breeding reed buntings have been reported. Invertebrates The invertebrate fauna includes common blue and silver-washed fritillary butterflies and also the large red and blue-tailed damsel-flies. The small pearl-bordered fritillary historically was present on the site but is now extinct locally. Conservation Conservation measures to prevent the marsh from drying out includes coppicing of the alder in the central area and the removal of bracken. Publications Kelham, A, Sanderson, J, Doe, J, Edgeley-Smith, M, et al., 1979, 1990, 2002 editions, 'Nature Reserves of the Gloucestershire Trust for Nature Conservation/Gloucestershire Wildlife Trust' 'Where to see Wildlife in the Forest of Dean', January 2012, Gloucestershire Wildlife Trust References External links Photographs of Cannop Ponds on geograph Cannop Ponds Forestry England web page Gloucestershire Wildlife Trust Forest of Dean Nature reserves in Gloucestershire