In North America east of the Rockies, there are 11 species, ty.... n. snake

The common European water, or grass, snake ( N. It is dark green to black, usually with small black dorsal spots, short bars on the sides, and a white, yellow, or orange mark on each side of the head or across the nape. The checkered water snake ( N. The tiger grass snake ( N. APA style: water snake. n. snake