Blackneck garter snake

Thamnophis cyrtopsis, the Blackneck garter snake, is a non-venomous species of garter snake of the genus Thamnophis, mainly found near water in mountainous or hilly areas of the southwestern United States and Mexico.


There are two known species of the blackneck garter snake: Thamnophis cyrtopsis cyrtopsis and Thamnophis cyrtopsis ocellatus.

Western blackneck garter snakeEdit

Thamnophis cyrtopsis cyrtopsis

The western blackneck garter snake is on average 42 inches long. The snake is colored dark olive with an orange-yellow stripe that is displayed on the middle of the body from the top while the underside is usually a cream or light shade of gray. The western blackneck is a water snake that lives near rivers, swims, and eats small fish and tadpoles.

Eastern blackneck garter snakeEdit

Thamnophis cyrtopsis ocellatus

The eastern blackneck garter snake is smaller than the western blackneck garter snake, with an average length of less than 20 inches. It is frequently found on dry land near a water source rather than in water. It displays three light stripes on a dark-colored body with uniform orange and orange-yellow spreading throughout.

Introduction to BritainEdit

Different species Garter snake were said to be popular pets in the early 1990s. It is also said that a lot that have escaped or been released by their owners into the wild in Britain. Recently there breeding pairs have gone up to 16. So it seems they are able to survive in our climate despite the fact that it is colder than their original one.