Common Garter Snake Thamnophis sirtalis
also known as Red-Sided Garter Snake
Common garter snakes are identified by three long yellow stripes on
a black background.
Plains Garter Snake Thamnophis radix
Plains garter snakes are very similar to common garter snakes. They
can be identified by three stripes, with the middle stripe often being bright
orange or yellow. The side stripe may take on a bluish-green hue. A double
row of spots between the stripes can also be found.
Redbelly Snake Storeria occipitomaculata
Redbelly snakes are North Dakota's smallest snakes, as they seldom exceed
12 inches in length. Their name is appropriate as their bellies have a bright
red to salmon color. These snakes are seldom seen due to their small size,
shyness, and nocturnal habits. Redbelly snakes vary from light to dark brown,
gray or chestnut.
Smooth Green Snake Opheodrys vernalis
Smooth green snakes, also known as green grass snakes, are bright green
with a white chin and belly. Their long narrow mouths give them a smiling
Smooth Green Snake - Brown Variation
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