![]() Common garter snakes are similar in appearance to their close relatives, ribbon snakes ( Thamnophis sauritus) and Butler's garter snakes ( Thamnophis butleri). In some areas there are populations that have a high percentage of entirely black garter snakes. The underbelly of the snake is of a contrasting light color, typically white, off-white. Black-striped snakes have 3 stripes which can be brown or black. They grow to a maximum adult length between 12 and 18 inches. There are many dozens of recognized regional populations of common garter snakes that have distinct color patterns. Black-striped snakes (Coniophanes imperialis) have a small size and might also be known as Red garden snakes. ![]() Young common garter snakes are born at 12.5 to 23 cm long and are similar in appearance to the adults. Males are generally smaller than females and have longer tails. The chin, throat and belly resemble the stripes in coloration, ranging from white to yellow, greenish, blue, or brown.Ĭommon garter snakes grow to be 46 to 137 cm in total length. Their tongues are red, tipped in black, and their scales are keeled (with a raised ridge along the length of the scale). ![]() If left untreated, more severe symptoms include trouble breathing, moderate to severe bleeding, and signs of shock. This subspecies of the Northern Water Snake is light brown with darker brown blotches down its back. They have smooth scales, round pupils, and a smaller head. Their undersides are solid white or gray. Symptoms of venomous bites usually start with localized pain and swelling, followed by nausea and weakness. They will usually have a black banding with orange or brown blotches that look like stripes. Remove watches and jewelry before swelling starts. Common garter snakes have a head that is wider than the neck and is uniformly dark. Wash the bite wound with warm soapy water. Some garter snakes have alternating rows of dark spots that run along the stripes, making the stripes look more like checkerboard patterns of light, rather than lines. Sometimes the stripes are absent or poorly defined. One stripe runs down the center of the snake's back, the other two stripes run alongside this central stripe. The stripes can be white, yellow, blue, greenish, or brown. Brown water snakes are light tan with darker brown. They typically have three light stripes that run along the length of their body on a black, brown, gray, or olive background. The head of water snakes is narrow and pointed, in contrast to the broad, triangular head of Burmese pythons. The average body mass is 150 g (5.3 oz).Ĭommon garter snakes are highly variable in color pattern. Most garter snakes have a pattern of yellow stripes on a brown or green background and their average length is about 55 cm (22 in), with a maximum length of about 137 cm (54 in). The Common Garter Snake ( Thamnophis sirtalis) is an indigenous North American snake found widely across the continent.
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