big long blue slug crawling on the ground with close-up

big long blue slug crawling ground closeup animal anguis fragilis animals wild antenna background blindschleiche bug carnivoor carnivorous close up color cute fauna garden gastropod hazelworm limbless reptile lizard lizards nature one over ovoviviparous birth paintings pootloze hagedis reptiel selective focus shell sliding slow worm slowworm small snail soil symbol toned veluwe white zoo zoology