grass snake, natrix. a useful reptile, a forest sanator, feeds mainly pests.

animal background biology black closeup colubrid creature danger day duckweed eye grass grasssnake gray green ground harmless head herpetology hunter juvenilesnake look marsh natrix natrixnatrix natrixnatrixhelvetica natural nature nonvenomous outdoors predator reptile reptilia reptilian ringed ringedsnake scale scaly scary serpent small snake snakeeye snakegreen squamate water watersnake wild wildlife