Top 7 Venomous Snakes in the United States

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Cottonmouth (Agkistrodon piscivorus)

– Strong swimmer and semi-aquatic. – Found commonly in the Southeastern United States. – Venom has cytotoxic properties, capable of causing tissue destruction.

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Timber Rattlesnake (Crotalus horridus)

– Large and has long fangs. – Known for mild temperament and characteristic rattle. – Generally gives warnings before attacking

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Black Diamond Rattlesnake (Crotalus oreganus):

– Seven subspecies with highly toxic venom attacking nerve endings. – Found widely across the western half of North America.

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Tiger Rattlesnake (Crotalus tigris):

– Has incredibly potent venom, considered the most dangerous in the Western Hemisphere. – Limited to a small area near the Arizona-Mexico border.

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Eastern Coral Snake (Micrurus fulvius):

– Reclusive and rarely seen. – Can hold enough venom to kill five people, but injects a small amount in most bites.

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Eastern Diamondback Rattlesnake (Crotalus adamanteus):

– Largest North American venomous snake. – Has large fangs, high venom yield, and devastating potency. – Mortality rate as high as 30 percent from a bite.

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Mojave Rattlesnake (Crotalus scutulatus):

– Venom is considered the most potent of all rattlesnakes. – Delayed symptoms may include blurred vision and respiratory failure.

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