grass snake, crawling along the ground. non-poisonous snake. frightened by the grass snake

animal animals assault attack autumn bask biology black closeup cold coldblooded color constrictor crawling creature danger forked grass grasssnake ground head horizontal hunter macro natrix nature nonpoisonous one orange outdoors pattern pet remote reptile ringed scale scaly serpent serpentine slither slithering smooth snake snout spiral tongue wild wildlife zoo zoology