The 7 Most Dangerous Snakes In North America

Eastern Diamondback Rattlesnake: Crotalus adamanteus, the Eastern diamondback, is the biggest venomous snake in the Americas, potentially reaching eight feet in length and 35 pounds in weight

Western Diamondback Rattlesnake: Crotalus atrox, the Western diamondback, closely trails its Eastern cousin in U.S. annual fatalities. It possesses a venomous bite and is recognized for its brownish base

Coral Snake (Eastern and Western): Both the Eastern (Micrurus fulvius) and Western (Micruroides euryxanthus) coral snakes feature potent neurotoxic venom.

Copperhead Snake: Agkistrodon contortrix, the copperhead, is a moderately-sized pit viper found along the Eastern Seaboard. While its venom is relatively mild and rarely fatal, it can cause pain and discomfort.

Cottonmouth Snake: Agkistrodon piscivorus, the cottonmouth or water moccasin, is a semi-aquatic pit viper known for its aggressive behavior. While its venom is more potent than the copperhead's

Yellow-bellied Sea Snake: Pelamis platura, the yellow-bellied sea snake, inhabits warm ocean waters and rarely comes ashore. While its venom is highly potent, fatalities in the U.S.

Timber Rattlesnake: Crotalus horridus, the timber rattlesnake, is a large rattlesnake found in the northeastern U.S. It can deliver considerable venom in a single bite