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Snake Boots

Top Ten Most Venomous Snakes in the USA: A Guide

Snakes are some of the more dangerous creatures you can come across in the wild as you may not even know that one is there until it is already too late. Over the course of this article, we are going to be presenting what are seen as some of the more dangerous snakes in America, so bear with us.

Snake mouth with nasty fangs open to strike

#1 - Black Diamond Rattlesnake

Rattlesnakes tend to be some of the most dangerous ones due to their venom, and few American rattlesnakes have venom that is as potent as the Black Diamond. These snakes are almost exclusively found in western North America, and they usually prefer a hotter climate.

You may be wondering what makes the Black Diamond so much more dangerous than many other snakes in the country, and it has to do with the way the venom works. Black Diamond Rattlesnake venom is different in that it targets your nerves directly, requiring more antivenom than most bites.

#2 - Cottonmouth Viper

While the Black Diamond rattlesnake may be an intimidating example of this species, you won’t come across many forms of venom that can compete with the Cottonmouth’s. This type of snake is known for the severe damage that is caused by its venom when you are bitten by one of them.

Tissue necrosis, the disintegration of flesh, and much more occurs when you are bitten by a Cottonmouth, and they are even responsible for amputations. As medical science has advanced, however, timely treatment has greatly reduced the risk when you are bitten by one of them.

#3 - Tiger Rattlesnake

Not every snake that has potent venom is a killer because lethality depends on a range of factors. For example, the Tiger Rattlesnake has some of the most fearsome venom found in a snake, but it is simply incapable of injecting enough of it into its victim at any one time.

Since the venom dosage is relatively low, there haven’t been many deaths due to this snake, but you still wouldn’t want to approach one of them. Tiger rattlesnakes are named after the pattern of stripes that you can see on their scales instead of their behavioral resemblance to Tigers.

#4 - Mojave Rattlesnake

As you may have guessed by the name, this rattlesnake is a resident of the Mojave desert, though its range extends a little bit further. This snake is very similar to the Tiger rattlesnake due to the immense power of its venom, but this one can use a more substantial amount.

The Mojave rattlesnake is feared far and wide due to its immensely powerful venom which has delayed effects. At first, upon being bitten by one of these snakes, you won’t have much trouble, and this can lull you into a false sense of security. Whenever you are bitten by a snake, you should immediately seek aid.

#5 - Eastern Diamondback Rattlesnake

The Diamondback is one of the better-known snakes on the continent, and it is also one of the most dangerous. The Eastern Diamondback, in particular, is the largest venomous snake that you will find in North America, making them immensely imposing and deceptively fast.

Its massive fangs allow the Eastern Diamondback to use a large amount of venom every time it bites its prey. This heavy dose combined with the sheer potency of this snake’s venom makes the Eastern Diamondback one of the deadliest snakes in this part of the world.

#6 - Timber Rattlesnake

Compared to other examples of their kind, the Timber rattlesnake is a bit of an enigma. While these snakes have rather large fangs which can provide a substantial flow of venom upon biting prey, they are also surprisingly docile. Of course, one of these snakes will still attack eventually, but not immediately.

Timber rattlesnakes are usually quite dark, and they have a different rattle when compared to their cousins. While most people would assume that venomous snakes are all exceedingly dangerous, there are varying degrees of that danger, and the Timber Rattlesnake is pretty low on the list.

#7 - Copperhead

You’ve likely heard of Copperheads if you live in an area with snakes in it, as they are known as the most frequent biters out of all of the American snakes on this list. While Copperheads are more likely to bite you, you won’t have to worry about serious injury as they have relatively weak venom.

You may be wondering why the Copperhead tends to bite humans so much more often than other snakes, and it doesn’t have to do with their aggression. When one of these snakes spots a human, they don’t retreat into the bushes, as you would expect. Copperheads freeze on sight, making them likely to be stepped on and bite you.

#8 - Eastern Coral Snake

The Eastern Coral Snake was once seen as one of the most dangerous species in America, but that has changed as we have grown to better understand them. Recognizable by the bright bands around their bodies, these snakes can hold an immense volume of venom in their teeth.

Fatalities due to this snake are surprisingly rare because they don’t have much control over how much venom they use during a bite. The severity of an Eastern Coral Snake bite is often a matter of luck, making them even more dangerous.

#9 - Prairie Rattlesnake

While the Prairie rattlesnake can be found all over the continent, all the way up to Canada, it is one of the least dangerous ones on this list. Don't be fooled, however, as the Prairie rattlesnake has surprisingly potent venom; the issue is that it can't use enough at a time.

#10 - Western Diamondback Rattlesnake

While the Eastern Diamondback has the highest death toll in America, its Western brother is the most dangerous one in Mexico. The Western Diamondback tends to be a little bit lighter than the other type, as it will need to blend into more arid environments while stalking prey.

Ink drawing of a snake coiled and striking


There are plenty of venomous snakes in the USA, and this list only scratches the surface. Out of all of the snakes on this list, keep an eye out for any Diamondback varieties, as they are incredibly lethal. If you live in an area where snakes are common, it helps to take precautions, like finding the right snake boots. Thank you for your time.


  1. https://www.tandfonline.com/doi/abs/10.1081/TXR-120019018?src=recsys&journalCode=itxr19
  2. https://link.springer.com/chapter/10.1007/978-1-4613-0361-9_3
  3. http://www.jbc.org/content/247/12/4029.full.pdf+html

Image Sources

  1. https://pixabay.com/en/snake-cobra-dangerous-reptile-1974382/
  2. https://pixabay.com/en/animal-reptile-snake-1299159/

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