Discover the most Venomous snakes found in the United States

Eastern Diamondback Rattlesnake

The Eastern Diamondback Rattlesnake is the largest venomous snake in the U.S., found in southeastern states like Florida and Georgia.

Common Death Adder

With a broad head and short body, the Common Death Adder of Australia can cause paralysis. Pre-antivenom, it had a 60% fatality rate.

Eastern Brown Snake

Australia's deadliest snake, the Eastern Brown Snake, causes more fatalities than any other species. Its venom can kill in under 15 minutes

Black Mamba

The Black Mamba is Africa’s most feared snake. It strikes fast and can be fatal within hours if untreated, with venom affecting the nervous system.


This African snake's venom causes severe internal bleeding. Its bites can be fatal without quick antivenom treatment.

Eastern Tiger Snake

Native to southeast Australia, the Eastern Tiger Snake’s venom acts quickly, causing serious symptoms and an average of one death per year.

Russell's Viper

One of the deadliest vipers, Russell's Viper causes thousands of fatalities yearly in India and Sri Lanka through its potent venom.

Saw-Scaled Viper

Known for its "sizzling" sound, the Saw-Scaled Viper is a key member of India’s “Big Four” snakes responsible for many bites and deaths.

Compilation of the Most Dangerous Snakes on Earth