group forest snail, cepaea nemoralis sits on the branch on the island of lanzarote, spain

brown nemoralis tentacle slow spiral snailshell motion natural nature shell wooden wild mollusk zoology helicidae garden plant animal gastropod biology pest isolated dwelling banded seashell seed small gliding snail brownlipped terrestrial coil macro striped organic cepaea helix wood slimy antenna lanzarote spain cepanea