Top 8 Venomous Snakes of the United States

The Eastern diamondback rattlesnake, known scientifically as Crotalus adamanteus, holds the title of being the largest venomous snake in the Americas and possibly the world.

Eastern Diamondback Rattlesnake

The Western diamondback rattlesnake, Crotalus atrox, closely follows its Eastern cousin in venomous potency and is responsible for a significant number of snakebite fatalities in the southwestern United States and Mexico.

Western Diamondback Rattlesnake

Both the Eastern (Micrurus fulvius) and Western (Micruroides euryxanthus) coral snakes are characterized by their brightly colored bands of red, yellow, and black, serving as a warning to potential predators.

Coral Snake (Eastern and Western)

The copperhead (Agkistrodon contortrix) is a common pit viper found along the Eastern Seaboard of the United States, extending westward into the Midwest. It is recognized for its stout build and distinctive hourglass patterns that provide excellent camouflage in its natural habitat.

Copperhead Snake

Also known as the water moccasin, the cottonmouth (Agkistrodon piscivorus) is the only semi-aquatic viper in North America, predominantly found in marshes, swamps, and warm streams throughout the southeastern United States.

Cottonmouth Snake

The yellow-bellied sea snake (Pelamis platura) is unique among North American venomous snakes for its oceanic habitat, preferring warm waters of the Pacific and Indian Oceans. While not commonly encountered in the United States, it ranges from the state of Washington southward to South America.

Yellow-bellied Sea Snake

The timber rattlesnake (Crotalus horridus) ranks as the third most dangerous rattlesnake in North America, primarily inhabiting the northeastern United States. Once abundant throughout its range, it has become endangered in many areas due to habitat loss and human encroachment.

Timber Rattlesnake

The Mojave rattlesnake (Crotalus scutulatus) is renowned for having the most toxic venom of any rattlesnake species in North America. Found in the southwestern United States, including parts of Arizona, California, New Mexico, Utah, and Texas, it inhabits open desert areas with sparse vegetation.

Mojave Rattlesnake