April, Britain, British, Brown lipped snail, Cepaea, Cepaea nemoralis, Derbyshire, District, England, Europe, Kingdom, National, Park, Peak, Peak District National Park, UK, United, United Kingdom, animals, arty, background, brown, brown-lipped, cut, cutout, horizontal, invertebrates, lipped, molluscs, nemoralis, out, shells, snails, white, website, website