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Jul 6, 2024 · If a snake is venomous in the United States, it is one of these four. Rattlesnakes make up the vast majority of all venomous snakes by sheer number. The exact breakdown varies, but some sources show that there are at least 32 species of rattlesnake with over 83 recognized subspecies.
- Rattlesnakes
- Cottonmouths
- Copperheads
- Coral Snakes
1. Western Diamondback Rattlesnake
The Western Diamondback Rattlesnake is an abundant species of Rattlesnake in the southwest United States. They typically grow to be anywhere between 4-6 feet with adult males growing larger than adult females. These snakes are thought to be responsible for the most venomous snake bites in the United States.
2. Eastern Diamondback Rattlesnake
The Eastern Diamondback Rattlesnake is the largest species of Rattlesnake and actually one of the largest venomous snakes in the world (Wildlife Informer | Largest Venomous Snakes in the World). Eastern Diamondbacks can get up to nearly 8 feet long, however the average Eastern Diamondback is between 5-6 feet.
3. Sidewinder
The Sidewinder gets its common name from the way it moves. Sidewinders move their coils (you guessed it!) sideways which allows them to get traction on desert sand. This type of movement allows for them to move incredibly quick, up to 18 mph! On average, they are between 19.5-31.5 inches. There are 3 known subspecies: 1. Mojave Desert Sidewinder (Crotalus cerastes cerastes) 2. Sonoran Desert Sidewinder (Crotalus cerastes cercobombus) 3. Colorado Desert Sidewinder (Crotalus cerastes laterorepens)
18. Cottonmouth/ Water Moccasin
Like Rattlesnakes, Cottonmouths are pit vipers that have specialized organs to help them detect changes in temperature that they use to catch their prey. Cottonmouthsare very common in the Southeastern United States and are found around bodies of water. On average they grow to be 31 inches. There are three subspecies found in the US: 1. Florida Cottonmouth (Agkistrodon piscivorous conanti) 2. Western Cottonmouth (Agkistrodon piscivorous leucostoma) 3. Eastern Cottonmouth (Agkistrodon piscivor...
19. Eastern Copperhead
Copperheads are in the same genus as Cottonmouths and share many similarities, but people typically separate them, maybe due to the fact that Cottonmouths and Copperheads are associated with different habitat types. Copperheads seem to prefer forested areas and reach lengths up to 20-37 inches. There are five subspecies of Copperheads in the US: 1. Northern Copperhead (Agkistrodon contortrix mokasen) 2. Southern Copperhead (Agkistrodon contortrix contortrix) 3. Broad Banded Copperhead (Agkist...
20. Eastern Coral Snake
Coral snakes are in the Elapidae family, which also includes snakes like kraits, cobras, king cobras. They have incredibly potent venom which can be deadly. The Eastern Coral Snake is typically around 30 inches. They have very distinct black, red, and yellow bands along their body.
21. Texas Coral Snake
Texas Coral Snakes look very similar to Eastern Coral Snakes and were once considered to be a subspecies of the Eastern Coral Snake. On average, Texas Coral Snakes are a bit smaller than their relatives and grow to be 24 inches.
22. Sonoran Coral Snake
The Sonoran Coral Snake can be found in the Southwestern United States. They are very secretive and spend much of their time underground but will come out at night to hunt. Sonoran Coral Snakes grow to be anywhere between 11-24 inches long. Want to learn more about U.S. venomous snakes? Check out this article out where we show the venomous snakes found in each state.
Jun 3, 2016 · The cottonmouth is one of the most feared venomous snakes in North America. Its powerful cytotoxic venom is so destructive that it can eat away flesh and result in grisly amputations.
Dec 7, 2022 · 1. Tiger Rattlesnake - LD50 of 0.06 mg/kg. A tiger rattlesnake with its rattle in full view. Ranging from parts of the southwestern US to northwestern Mexico, the tiger rattlesnake (Crotalus tigris) is one of the Western Hemisphere's most venomous snakes.
Mar 1, 2021 · Visitors hiking the Mahogany Hammock Trail in Everglades National Park earlier this month spotted an unfamiliar snake. It turned out to be a brand-new invasive species.
May 25, 2022 · Snake venom can vary tremendously both between and within a single species 1, 2, 3, 4 and envenomation by venomous snakes (hereafter, snakebite) is regarded as a priority neglected tropical...
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To our benefit, there is a fairly widespread consensus nowadays regarding the definition of venom: It is a biological secretion produced by specialized cells or tissues in a venomous animal, stored in the cells or glandular lumens, and actively delivered into another animal by inflicting a wound (no matter how small) through a specific suite of ...
