The World's Deadliest, Most Dangerous Snakes to Humans
#10: Inland Taipan
Although the inland taipan (also known as "the fierce snake") is the #1 most toxic land snake on earth, it is rated tenth on this list because very few humans have been killed by it due to a lack of contact. This snake is found in the remote, harsh outback of Australia where few people live.
Another reason it is last on this list is because it's a shy snake. It's not aggressive and bites only if provoked. Although it uses its lethal venom to kill rats and rodents (its food), it is very happy to stay away from large animals and humans.
#9: Cottonmouth or Water Moccasin
This snake is found in most parts of southeastern U.S., from south Missouri to south-central Oklahoma and central Texas. It prefers lowland swamps, lakes, rivers, bayheads, sloughs, irrigation ditches, and small, clear rocky streams. It is more dangerous to humans than the Taipan as it shares our habitat. Many people in America get bitten by this snake and some even die as its venom is highly toxic.
It is called "cottonmouth" because it has a white mouth and "water moccasin" because it lives near water. It is a very aggressive snake.
#8: Common European Adder
This is the most dangerous snake in Europe. These are true vipers and found throughout Europe, even in Britain. Common adders are known to have short tempers and may strike without warning when startled or handled.
The common adder prefers wooded terrain, grassy fields, and rocky cliff slopes. Known to frequent farms and cultivated fields, this snake presents a great danger to people.
#7: Puff Adder
Also known as Bitis arietans, the puff adder's habitat extends throughout Africa except for dense rainforests and deserts. It has large fangs and its venom is powerful enough to kill a grown man with a single bite. Puff adders rely on camouflage for protection and lie still if approached. Because of this, people tend to step on them and get bitten. Many fatalities occur because bites are not treated correctly, leading to infection and gangrene. This snake kills more people in Africa than any other snake, but in my opinion, it is not the deadliest snake of Africa.
#6: Eastern Diamondback Rattlesnake
This is the most dangerous snake of North America. Commonly found in southeastern U.S. in lower coastal plains, southeastern North Carolina to the Florida Keys, southwestern Mississippi and in eastern Louisiana. These stout-bodied pit vipers generally live in the dry, pine flatwoods, sandy woodlands, and coastal scrub habitats.
It is an aggressive snake and can strike from a distance of up to one-third their body length. Diamondback venom is a potent hemotoxin that kills red blood cells and causes tissue damage. Bites are extremely painful and can be fatal to humans.
#5: King Cobra
These are the most feared snakes of Asia. Just its appearance would make me shiver. They are the longest toxic snake in the world and produce the most venom (about two teaspoons in a single bite).
They live in most dense jungles of Southeast Asia and eat other snakes —even other cobras. A male snake has been seen to kill and eat a female snake when the mating partner changes. The female cobra is the only snake in the world to build and guard a nest for eggs. She instinctively moves away when the baby cobras hatch, as she is a snake-eater by nature, and so are her young.
The cobra shares the same habitat with humans and kills many humans in Asia. It is also very aggressive and would stand its ground and come towards you, if provoked.
The fer-de-lance (also known as Bothrops asper) is the most dangerous snake of Central and South America. It is found in the tropical forests where it lives along ditches and swamps and amongst vegetation. Humans frequently come into contact with them.
These toxic snakes kill more people than any other snake in the Americas. People accidentally step over them and get bitten, and the bite is fatal if not treated with antivenom. A very aggressive snake.
#3: Australian Brown Snake
These are the most dangerous and deadly snakes of Australia. They are the world's second most toxic snakes on land (after the inland taipan) but in contrast to the Taipan, they are very aggressive. They share human habitat so come in contact with them often and kill more humans in Australia than any other snake.
These snakes are found in eastern Australia, but not in Tasmania. They feed on small creatures such as mice, rats, small birds, lizards, and even other snakes.
See the Brown Snake's Aggression
#2: Russel's Viper
These snakes (also known Daboia) kill more humans than any other snake on the planet. They share human habitat and, therefore, end up in our homes (where most people get bitten). Once bitten, a victim experiences a wide variety of symptoms including pain, swelling, vomiting, dizziness, blood incoagubility, and kidney failure.
They blend into the surroundings so easily that most victims walk right over them. They are common throughout Southeast Asia and people mistake them for non-venomous pythons due to their appearance. This is one more reason why Russel's Vipers are so dangerous. They are also extremely aggressive and nervy.
Watch the Russel's Viper's Warning Behavior
#1: Black Mamba
This is the most dangerous and deadly snake in the world. Black mambas live in the savannas and rocky hills of southern and eastern Africa. They are Africa’s longest venomous snake, reaching up to 14 feet.
Black mambas are fast, nervous, lethally venomous, and, when threatened, highly aggressive. They cause many human fatalities, but not the most. The mortality rate is 100% without antivenom. Even with antivenom, the mortality rate is 50%, as most humans are allergic to the antivenom.
They are also the fastest snake on earth. Combine speed, aggression, toxicity, and unpredictability, and you have a black mamba. Most snake experts fear this snake more than any other snake. It's extremely hard to handle, and many handlers have died. They are so aggressive: They bite repeatedly and keep injecting their lethal venom with every bite.
I would stay clear of this snake. Then again, I'd steer clear of any of the toxic snakes on this list. The safest thing is to avoid confrontation.
Watch the Black Mamba in Action
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