Ключевые слова: animal, aquatic, branch, closeup, colubridae, crawl, creep, creepy, dice, dice snake, european, freshwater, gray, herpetology, lake, natricinae, natrix, natrix tessellata, nature, non venomous, nonvenomous, predator, reptile, river, scales, scary, serpentes, serpentine, skin, skinny, snake, summer, tessellata, tongue, water, water snake, wave, wet, wild, wildlife, zoology,