HomepageTagsGrass snake Grass snake - online puzzles 16green snake on brown tree branchZeneksolved 21 timesSolve puzzle Online puzzle Grass snakeGrass snakeThe grass snake (Natrix natrix), sometimes called the ringed snake or water snake, is a Eurasian semi-aquatic non-venomous colubrid snake. It is often found near water and feeds almost exclusively on amphibians.