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What is a Ribbon Snake?

DM Gutierrez
DM Gutierrez

The ribbon snake, or Thamnophis sauritus, is a shiny-scaled, slender member of the garter snake family. The snakes are easily identifiable by their slim bodies and long vertical stripes. They use their ability to disappear in thick undergrowth and swim quickly through water to escape predators. There are four types of ribbons snakes: bluestripe, peninsula, eastern, and northern ribbon snakes,

These snakes can come in colors from coppery-gold to blue on top and white to green underneath. They grow to between 18 and 38 inches (45 to 97 cm) long. Eastern ribbon snakes are usually green with yellow stripes down the length of their bodies. Bluestripe ribbon snakes have blue-green backs with light blue lateral stripes and yellow-green undersides.

A ribbon snake may feast upon frogs.
A ribbon snake may feast upon frogs.

Peninsula ribbon snakes are olive-brown with a light tan stripe down the middle of the back and a thin pale green stripe on either side. The eastern ribbon snake is typically brown or black with vivid yellow or white stripes along its length. The tail of all four of these subspecies makes up a third of the snake’s body, a feature that helps distinguish it from the related garter snake.

Ribbon snakes eat primarily amphibians, fish, and worms. These snakes live near the edges of ponds and lakes and search the water for fish, tadpoles, frogs, and salamanders. Some sub-species of ribbon snakes can be found in roadside ditches and canals and are most active during the day.

When confronted by a predator, the ribbon snake will first try to escape, darting into thick vegetation or plunging into water. If they are caught, ribbon snakes will thrash about, flatten their heads, or coil, exhibiting the protective behaviors of some venomous snakes. The ribbon snake rarely strikes and is not poisonous. It does shower its attacker with feces and a strong musk scent. A last resort for the ribbon snake is to detach its tail as some lizards do—the tails of ribbon snakes do not regenerate.

Ribbons snakes have an unusual reproductive behavior. After copulation, a male ribbon snake keeps other males from fertilizing the female by inserting a plug into the female’s reproductive tract. Unlike many snake species that lay eggs, female ribbon snakes give birth to live young, which look like smaller versions of the adult. Birth of three to 26 young snakes typically occurs in the summer, and neither parent cares for the juveniles.

Although they are prey to several animal species, habitat encroachment is the ribbon snake’s most immediate danger. Ribbon snakes are not officially endangered, but they are generally reducing in numbers due to human intrustion into their habitats. Loss of water sources from housing developments and increased predation by household pets are typically their greatest threat.

Frequently Asked Questions

What is a Ribbon Snake?

A Ribbon Snake is a slender, non-venomous reptile belonging to the genus Thamnophis. They are a species of garter snake, known for their long, thin bodies with stripes running the length of their backs. Ribbon Snakes are commonly found near water sources and are adept swimmers, feeding on a diet of amphibians, insects, and small fish.

How can you identify a Ribbon Snake?

Ribbon Snakes are characterized by their slender bodies, typically reaching 18 to 34 inches in length. They have three bright, longitudinal stripes on a darker background, with the stripes often being yellow or greenish. Their heads are distinctly wider than their necks, and they have smooth scales, giving them a glossy appearance.

Where do Ribbon Snakes typically live?

Ribbon Snakes are commonly found throughout the eastern United States, particularly in habitats close to water such as streams, ponds, marshes, and wetlands. They thrive in these moist environments but can also be found in meadows and woodlands where they hunt for food and bask in the sun.

What do Ribbon Snakes eat?

Ribbon Snakes have a varied diet that primarily includes amphibians like frogs and toads, as well as small fish and invertebrates. They are skilled hunters, using their speed and stealth to catch prey. They swallow their food whole, and their diet can vary based on their specific habitat and available food sources.

Are Ribbon Snakes dangerous to humans?

Ribbon Snakes are not dangerous to humans. They are non-venomous and generally shy, preferring to flee rather than confront potential threats. If handled, they may release a foul-smelling musk as a defense mechanism, but they pose no real danger to people.

How do Ribbon Snakes reproduce?

Ribbon Snakes are ovoviviparous, meaning they give birth to live young rather than laying eggs. Mating typically occurs in the spring, and by late summer, the female will give birth to 10-20 live young. These juveniles are independent from birth and receive no parental care, quickly learning to fend for themselves.

Discussion Comments


I've heard about some snakes releasing an unpleasant odor when threatened before. I think this is something that many snake species do to protect themselves.

My friend actually has kept ribbon snakes before and he called it musk. Apparently, it's a liquid substance that the snake releases from anal glands that smells awful. I think people who handle ribbon snakes experience this often.

I think this is just a sign that ribbon snakes are not meant to be captive pets. They don't like being handled.


@bear78-- Was it an Eastern ribbon snake? If you leave in Eastern US, that must be what you saw.

I don't know about others, but the Eastern ribbon snakes I've seen were fairly small, maybe 15 or 16 inches at most. They're definitely not the scary type. They're completely harmless and mind their own business eating very small fish and frogs.

I think the coolest thing about them is that they don't allow their mate to mate with anyone else. I find that fascinating.


I've seen a ribbon snake by the lake near our house. I saw it and then it disappeared in the blink of an eye. These snakes are very fast and they're good at hiding. From what I could see though, they are very beautiful. Their stripes are definitely the most interesting thing about them. I'm happy to know that they are generally harmless. I won't get scared if I see one again.

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    • A ribbon snake may feast upon frogs.
      A ribbon snake may feast upon frogs.