5. BLACK MAMBA

This snake is usually found in Africa. A single bite contains enough venom to kill ten people (Just ten? You’re still thinking about that sea snake, aren’t you). It can travel as fast as 20 km/h, which makes it the fastest snake on the planet. The Black Mamba will bite a number of times when it attacks, and if the bite is not treated, it is almost always going to result in death..

4. TAIPAN

Another entry from Australia, the venom in a Taipan is strong enough to kill up to 12,000 guinea pigs. The venom clots the victim’s blood, blocking arteries or veins. It is also highly neurotoxic. Before the advent of an antivenin, there are no known survivors of a Taipan bite, and death typically occurs within an hour. Even with successful administration of antivenin, most victims will have an extensive stay in intensive care. It has been likened to the African Black Mamba in morphology, ecology and behavior.

3. BLUE KRAIT

This snake is not as well known as some, but its venom is 16 times more potent than that of the cobra! There also is no really good antivenin to use, which makes it quite deadly. The Blue Krait tends to keep to itself and usually only comes out at night, though, so it is generally easy to avoid.

2. EASTERN BROWN

Don’t let the innocuous name of this snake fool you, 1/14,000 of an ounce of its venom is enough to kill an adult human. Coming in a variety of species, the Eastern Brown snake is the most venomous. Unfortunately, its preferred habitat is also along the major population centers of Australia. The Brown snake is fast moving, can be aggressive under certain circumstances and has been known to chase aggressors and repeatedly strike at them. Even juveniles can kill a human. The venom contains both neurotoxins and blood coagulants. Fortunately for humans, less than half of bites contain venom and they prefer not to bite if at all possible. They react only to movement, so stand very still if you ever encounter one in the wild.

1. INLAND TAIPAN

While I did say that I would not include multiple sub-species in this list, the incredible Inland Taipan deserves a spot of its own. It has the most toxic venom of any land snake in the world. The maximum yield recorded for one bite is 110mg, enough to kill about 100 humans, or 250,000 mice! With an LD/50 of 0.03mg/kg, it is 10 times as venomous as the Mojave Rattlesnake, and 50 times more than the common Cobra. Fortunately, the Inland Taipan is not particularly aggressive and is rarely encountered by humans in the wild. No fatalities have ever been recorded, though it could potentially kill an adult human within 45 minutes.

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