snail on a green leaf

after black brown calcareous class coast color creeps crimea damage dark day drawn drops earth eyes farming garden gastropod grass gray green hard head herbivore july known leaf light maximum moisture most motion movement mucus nature nikolaevka olfactory organism outer pest plant rain republic retracts retractsl sea senses sensors settlement shell slippery slowness snail species speckles speed spiral stains summer sunny tentacles thin threat water wave west widely