In the United States, and the rest of America, garter snakes and water snakes may be easily confused with each other. Both snakes are common, nonvenomous, growing up to between two and five-feet when they become mature. Each is found throughout a wide range in the United States, Canada and Mexico and they often occupy similar areas. In some species, their coloring and markings may even appear quite similar. However, there are several differences between them.
The garter snakes belong to the genus Thamnophis. There are almost 30 species of garter snakes. The water snakes are in the genus Nerodia, and include about 10 known species. Both garter snakes and water snakes include many subspecies. Species and subspecies are sometimes categorized differently by different organizations. It should be noted that while anacondas and some kinds of boas and pythons often live in and around water, none are water snakes or garter snakes.
Garter snakes have markings that resemble a garter belt, hence the name. They usually have one or three stripes running along the length of their body with checkered markings between the stripes. Garter snakes are usually more slender for their length than are water snakes. Water snakes are often brown or dark green in color, with markings of black, brown, or yellow. They have thicker, heavier bodies for their length than do garter snakes. With both water snakes and garter snakes, though, markings may be faded and blurred, making it more difficult to tell the difference between them.
Water snakes, as their name implies, spend nearly all of their time either in the water or in branches overhanging water. They are excellent swimmers. Garter snakes often live near water but are not always in the water. They can live in areas where water is available but not necessarily in bodies of water, such as meadows, fields, forests, and even mountains. Garter snakes are generally not found in very dry areas, such as the deserts of northwest Mexico and the southwestern United States.
Water snakes do their hunting mainly in the water. Their diet is made up almost entirely of fish and frogs, though they sometimes also eat aquatic insects. Garter snakes eat a wider variety of food, although they do also eat frogs and fish. A garter snake’s diet also includes earthworms, slugs, lizards, small birds and mammals.
Garter snakes are commonly kept as pets and, if handled gently and frequently, will generally become quite used to human contact. They are considered relatively easy to tame and keep as pets. Water snakes also are not difficult snakes to keep alive in captivity, but they are more aggressive and prone to biting. As a consequence, water snakes do not usually make good pets for people who want to occasionally handle them. Water snakes have relatively long, sharp teeth for catching fish, so their bite is considered particularly painful compared to other similarly-sized, non-fanged snakes, such as garter snakes. Of course almost any snake can inflict a painful bite and all snakes should be treated with caution, for the sake of the snake as well as the person. But garter snakes tend to be more docile.
These are similar kinds of snakes. However, between the habitat of the snake, the body shape, markings and temperament of the snake, it is possible to tell the difference between water snakes and garter snakes.
I’ve rescued both kinds of snakes, but the garter snake is the calmer of the two, both in the wild and in a rescue situation.
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Posted in pets and animals and tagged appearance, difference, garter snake, identification, pets, water snake by rextrulove with 7 comments.