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Top 9 Deadliest reptiles

Top 9 deadliest reptiles

The world is home to many deadly reptiles, using many different ways to disable their prey, including bite, venom, and constriction. Some of these reptiles have been here since the dinosaur’s roamed the earth, making them very adaptable and resilient to world changes. This list contains the top 9 deadliest reptiles, not only to humans but to their prey.

9. The green Anaconda

Green Anacondas are the biggest snake in the world, growing up to 30 feet and weighing up to 550 lbs (227) although shorter than the reticulated python, the green anaconda is thicker and heavier, and often the females well out way the males. like many of the deadliest reptiles, the green anaconda is an ambush predator, camouflaging itself in its wetland habitat for long periods of time ready to take its prey by surprise with its very quick bite, then wraps its body around the animal, tightening with every breathe the animal takes, making it harder and harder for it to breathe. Like all constrictors, the green anaconda does not crush its prey, but asphyxiate it. Anacondas live in swamps, marshes, and slow-moving streams, mainly in the tropical rain forests of the Amazon and Orinoco basins. Their eyes and nasal openings are on top of their heads, allowing them to lay in wait for prey while remaining nearly completely submerged, giving their prey, that mainly consists of wild pigs, deer, birds, turtles, capybara, caimans, and even jaguars, no chance of escape their deadly grip

  • Aggression: Very high – these animals are even more short-tempered in captivity.
  • Intelligence: Another ambush predator with moderate intelligence.
  • Speed: slow on land, but agile and quick in water.
  • Strength: Very high the largest snakes have been known to kill crocodiles and jaguars.

Death to humans

While unprovoked green anaconda attacks on humans are rare, almost all human fatalities are by pets on their owners.

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8. King Cobra

The king Cobra is the largest venomous snake in the world, but generally very shy. King Cobras are eggs laying snakes, and it is usually while protecting these eggs they are most aggressive. when confronted with danger, the cobra can raise up to one third of their body straight off the ground and still move forward to attack.

Their venom isn’t the most venomous amongst venomous snakes, but the amount of neurotoxin they can produce can be enough to kill 20 people or 1 elephant. Thankfully the cobra isn’t usually aggressive unless cornered

They are also very comfortable in the trees, on land, and in water, feeding mainly on other snakes, venomous and nonvenomous. They will also eat lizards, eggs, and small mammals.

  • Aggression: Usually shy, but fiercely aggressive when cornered or defending a nest.
  • Intelligence: Cobras give a lot of warning when about to strike in self-defence – a deep hiss, extending a hood and raising up. This suggests reasonable intelligence.
  • Speed: A cobra can strike up to two metres in a second.
  • Strength: A muscular body allows a King cobra to lift a third of its body off the floor easily.

Deaths to humans

The fatality rate from its venom (untreated) is up to 75%. There are less than a dozen King Cobra related fatalities per year. Which is usually due to human stupidity.

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7. Alligator snapping turtle

Although Alligator snapping turtles pose no threat to humans unless provoked, it needs to be mentioned in the most deadliest reptiles, due to its very unique way to catch their prey. The alligator snapper employs a natural lure in its hunting technique. Its tongue sports a bright-red, worm-shaped piece of flesh that, when displayed by a motionless turtle on a river bottom, draws curious fish or frogs close enough to be snatched. It is also known to eat small alligators.

Found only in the rivers, canals, and lakes of the south eastern United States, alligator snappers can live to be 50 to 100 years old. Males average 26 inches (66 centimetres) in shell length and weigh about 175 pounds (80 kilograms), although they have been known to exceed 220 pounds (100 kilograms). The much smaller females top out at around 50 pounds (23 kilograms).

  • Aggression: can be aggressive if to close, but usually shy otherwise
  • Intelligence: very intelligent due to its unique way of catching its prey
  • Speed: Not usually fast on land. bite is extremely fast
  • Strength: very strong, especially their jaw

Deaths to humans

Non reported.

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6. Black Mamba

Black mambas are fast, nervous, lethally venomous, and when threatened, highly aggressive. They have been blamed for numerous human deaths over the years, and for these reasons most people consider the black mamba to be the most deadliest snake in the world

Black mambas live in the savannahs and rocky hills of southern and eastern Africa. They are Africa’s longest venomous snake, reaching up to 14 feet (4.5 meters) in length, although 8.2 feet (2.5 meters) is more the average. They are also among the fastest snakes in the world, slithering at speeds of up to 12.5 miles per hour (20 kilometres per hour).

Black mambas are very she but if cornered or confronted are very aggressive and can raise their heads almost one third of their body off the ground and strike not once, but repeatedly,  injecting large amounts of potent neuro- and cardio toxin with each strike. Without anti venom, a bite from this snake is 100% deadly, usually within 20 minutes.

  • Aggression: Highly aggressive!
  • Intelligence: don’t give much warning before attacking
  • speed: very fast!
  • Strength: powerful bite

Deaths to humans

Black Mambas are know to kill thousands of people in Africa every year. In most cases death occurs within half an hour of the bite. Due to the inaccessibility of most forest areas, due to unavailability of anti venom most bites end up fatal.

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5. Nile Crocodile

The Nile crocodile is the largest crocodile in Africa, it has the reputation as a vicious man eater, this is due to its habitat being in such close proximity to humans, villages washing their clothes on the banks of the Nile river become a target for these reptiles.

The Nile crocodile size can reach lengths of up to 20 feet (6m) and weighing up to 730 kilograms giving it a great size and strength advantage over a lot of African animals drinking from the Nile river. The diet of the Nile crocodile is mainly fish, but it will attack almost anything unfortunate enough to cross its path, including zebras, small hippos, porcupines, birds, and other crocodiles. It will also scavenge carrion, and can eat up to half its body weight at a feeding.

They live throughout sub-Saharan Africa, the Nile Basin, and Madagascar in rivers, freshwater marshes, and mangrove swamps.

  • Aggression: very aggressive while killing prey and protecting their eggs before they hatch
  • Intelligence: very intelligent, often being very patient while catch prey
  • Speed: very fast at striking
  • Strength: very strong especially their jaws on closing shut

Deaths to humans

Up to 200 people die every year from Nile Crocodiles, due to living in the same proximity.

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4. Puff adder

The Puff adder is responsible for more fatalities than any other snake in the world, this is due to its wide range.

The puff adder is a typical viper, with a distinctive triangular head. When disturbed or threatened, the puff adder will curve itself up, puff up and hiss loudly – hence it’s name. This snake is armed to the teeth (literally) with sensors to help it track down prey. Heat sensors, vibration detectors and UV sensitive cells in the eye make this snake a foe to be respected.

The puff adder is fairly large snake, growing to around 1m in length (3 feet) and with a girth of 40cm (16 in). Large specimens weigh about 6kg (13.2 lbs).

  • Aggressive: very aggressive even in captivity
  • Intelligence: Ambush predators that take up position along scent trails of its prey. Moderate-high intelligence.
  • Speed: slow moving generally but one of the fastest strikers in the world
  • Strong: Fangs can penetrate soft leather, but this snake relies on the potency of its venom rather than brute strength

Deaths to humans

Puff Adders kill more than 300 people every year. It is estimated that more than half of all snakebites in Africa are from the puff adder.

Puff Adder (Photo by Wendy Fidao)

3. Komodo Dragon

Komodo Dragons are the biggest of all lizards in the world, they can reach up to 10 feet long and weigh up to 150kg. Komodo dragons are ambush predators, relying on patience and excellent camouflage for a successful hunt. When a prey animal passes close enough, the Komodo dragon will launch itself and bite down hard. They are very strong, meaning they can prey upon very large animals such as carrion, deer, pigs, smaller dragons, and even large water buffalo and humans. They will just about eat anything. Any animal that escapes the jaws of a Komodo Dragon will only feel lucky for a moment. Dragon saliva teems with over 50 strains of bacteria, and within 24 hours, the stricken creature usually dies of blood poisoning. As the prey escapes, the Komodo will follow until the animal is to weak to move any further. A komodo dragon can eat 80% of their body weight.

  • Aggression: high, with numerous attacks on villages
  • Intelligence: High – even after a bite, they know they will eventually get their prey
  • Speed: Komodos can move very quickly in short bursts
  • Strength: Weak bite (only one sixth the strength of a crocodile, despite having a similar sized skull) but very strong tail and claws

Deaths to humans

One death in the last 10 years

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2. Eastern Diamondback Rattlesnake

The eastern diamondback rattlesnake is the largest venomous snake in North America. Some reach 8 feet (2.4 meters) in length and weigh up to 10 pounds (4.5 kilograms). They are natural exterminators, surviving on such household pests as rats and mice, as well as squirrels and birds.

known as an aggressive snake, the Eastern diamondback is actually very adverse to human contact, only attacking in defense, which most bites occur when humans taunt or try to capture them. When cornered, rattlers feverishly shake their iconic tails as a last warning to back off. Rattles are made of loosely attached, hard, hollow segments. Snakes add a new rattle segment each time they shed. However, rattles break off frequently. Their venom is very potent and causes tissue damage, although anti venom is widely available.

  • Aggressive: aggressive only when threatened
  • Intelligence: giving multiple warnings before attacking
  • Speed: striking at up to one-third their body length
  • Strength: strength only in bite

Deaths to humans

Deaths to humans are very low

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1. Saltwater Crocodile

Saltwater crocodiles are by far the most deadliest reptiles in the world, being the largest of all crocodilians weighing up to 450kg and growing up to 17 feet,  but specimens 23 feet (7 meters) long and weighing 2,200 pounds (1,000 kilograms) are not uncommon. Saltwater crocodiles live in northern parts of Australia and are highly intelligent, Classic opportunistic predators, they lurk patiently beneath the surface near the water’s edge, waiting for potential prey to stop for a sip of water. They’ll feed on anything they can get their jaws on, including water buffalo, monkeys, wild boar, and even sharks. Without warning, they explode from the water with a thrash of their powerful tails, grasp their victim, and drag it back in, performing a death roll, holding it under until the animal drowns. This reptile has the strongest bite on the planet.

  • Aggression: VERY High, especially during mating season
  • Intelligence: VERY High – uses ambush tactics and patience to maximise the chances of success
  • Speed: Using its massive tail as a launch pad, these creatures can lunge at fearsome speeds
  • Strength: VERY High – strongest bite on the planet and a tail packed with muscle.

Deaths to humans

Around 2 deaths on average per year in Australia

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 Please feel free to comment and give your opinion on which of these deadliest reptiles should be number one on the list




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