Indigo Snake vs Black Racer: What’s the Difference?

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Colubrid snakes are also known as typical snakes in North America, including indigo snakes and black racers. But, how do you tell the two species apart? When it comes to indigo snakes and black racers, there are important differences, as well as many similarities between the two. Both snakes are native to the eastern United States, though one grows far larger than the other.

In this article, we’ll take a closer look at the indigo snake vs black racer. By the end, we’ll know exactly how the two species differ in size, appearance, habitat, behavior, diet, and lifespan. We’ll learn about what makes these snakes similar and what sets them apart.

Read on to learn just how different indigo snakes are from black racers.

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Comparing Indigo Snake vs Black Racer

Key Differences Between Indigo Snake vs Black Racer

Indigo snakes are bigger and heavier than black racers. While both are mostly black, indigo snakes have orange-colored throats, while black racers have white-colored throats. Neither species are venomous, though they both mimic the dangerous species of snakes when threatened. 

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Let’s take a closer look at the key differences between the indigo snake vs black racer.

Indigo Snake vs Black Racer: Size and Weight

Indigo snakes are the longest snakes native to the United States; they can grow up to nine feet long. There are two common species of indigo snakes – Texas indigo snakes and eastern indigo snakes. Black racers are medium-sized, slender-bodied snakes, but they are around 4.5 feet long. Indigo snakes have thick bodies with narrow heads.

The biggest difference between indigo snakes and black racers comes from their weights. Black racers weigh only 1-2 pounds, while indigo snakes weigh between 4-10 pounds. 

Indigo Snake vs Black Racer: Location and Habitat

One difference to note in indigo snakes vs black racers is their range. Indigo snakes can be found only in the southeastern United States, in Florida, Georgia, Alabama, and Mississippi. Black racers also live in the southeastern part of the United States, but they can be found as far north as southern Maine, and far west as eastern Texas. 

Indigo snakes love the water; they’re commonly found in swampy areas, glades, pine woods, and riparian zones near freshwater. On the other hand, black racers tend to frequent shrublands, flatlands, forests, and the edges of urban and suburban areas.

Indigo Snake vs Black Racer: Appearance

In comparison, indigo snakes vs black racers look very similar. They both have black to blue-black bodies with lighter bellies and narrow heads. But, indigo snakes have orange-colored chins and throats, whereas black racers have white chins. In addition, indigo snakes have much thicker bodies than black racers.

Their adult phase may look similar, but indigo snakes and black racers look very different when they’re babies. Juvenile indigo snakes look very similar to adults; they’re black with orange throats. But black baby racers start as light brown snakes with darker brown patterning. As they age, they darken in color until they attain their true black scales.

Indigo Snake vs Black Racer: Behavior

The indigo snake and black racer share many characteristics when it comes to behavior. They’re both active only during daylight hours. Both species lack venom and will only bite humans when threatened or provoked. Indigo snakes rear up and flatten their necks like cobras to make themselves appear more dangerous than they are. Similarly, black racers coil up and vibrate their tails like rattlesnakes to scare off predators.

Black racers eat everything from insects to fish to bird eggs. They are also known to eat amphibians, small mammals, and birds. Indigo snakes are particularly known for eating other snakes, even the venomous rattlesnake.

Indigo Snake vs Black Racer: Lifespan

Black racers are believed to live an average of 5-10 years in the wild. Indigo snakes live a little longer, between 12-21 years. As babies, both species have high mortality rates due to predation by other snakes, birds, and mammals. If they make it to adulthood, they have a good chance of living a long, full life.