common grass-snake (natrix natrix) from east baltic sea

common snake grasssnake natrix east baltic sea coast grassnake biotope granite outcrops boulders glacier animal behavior ecology asp beast bionomics cerastes water crawl creature creep creeper cringe crouch dragon environment floating grass grovel herpetology kite kowtow leviathan ophidian reptile reptilian ringed snakes serpent squirm truckle viper wheedle wild nature wildlife worm wyrm