Our Top 10 Most Dangerous Animals on Earth lists those creatures that are responsible for the most human deaths in the world.

Since they’re domesticated animals, we didn’t include Man’s best friend. But don’t be fooled, under the right circumstances, a Dog can be extremely dangerous.

Maulings and bites from rabid dogs are responsible for a majority of the 25,000 dog-related deaths each year. This would place them #4 on our list of most dangerous animals.

We also decided not to include Humans on our list. But for reference, Humans would be the #2 most dangerous animal on Earth, killing an average of 475,000 people per year.

Top 10 Worlds Most Dangerous Animals

#10 Elephants

  • 500 Deaths Per Year 
    Top 10 Most Dangerous Animals on Earth Elephants
    Top 10 Most Dangerous Animals on Earth Elephants.

Another animal that’s portrayed as a slow-moving, non-aggressive, big ole lumbering giant.

While Elephants will respect your space if you respect theirs, if they feel threatened, or perceive you as a threat to their young they will attack without hesitation.

Generally speaking, wildlife poachers or overly aggressive tourists make up a majority of the people who’ll enrage an Elephant the most.


#9 Hippos

  • 500 Deaths Per Year 
    Top 10 Most Dangerous Animals on Earth Hippos
    Top 10 Most Dangerous Animals on Earth Hippos.

Don’t be fooled by their Disney characterization as comical lovable characters.

Hippopotamuses are some of the nastiest animals on Earth and will not hesitate to charge humans who get too close.

While Hippos appear on land as slow lumbering giants, in the water, they’re extremely agile, and fast.

Hippos are routinely filmed chasing boats which they can easily capsize and kill their occupants if they feel threatened.


8. Freshwater Crocodiles 

  • 1,000 fatalities per year
    Top 10 Most Dangerous Animals on Earth Freshwater Crocodiles
    Top 10 Most Dangerous Animals on Earth Freshwater Crocodiles.

Freshwater crocodiles are found inhabiting the freshwater rivers, lakes.

Although they can tolerate saltwater, these crocs are kept further upstream by the larger saltwater crocodiles.

Their jaws are quite narrow, making them easily distinguished from the saltwater crocodiles that also inhabit parts of their range.


#7 Tapeworms

  • 2,000 people per year
    Top 10 Most Dangerous Animals on Earth Tapeworms
    Top 10 Most Dangerous Animals on Earth Tapeworms.

Eating undercooked meat from infected animals is the main cause of tapeworm infection in people.

Although tapeworms in humans usually cause few symptoms and are easily treated, they can sometimes cause serious, life-threatening problems.

That’s why it’s important to recognize the symptoms and know how to protect yourself and your family.

People may go years with no symptoms before the infection suddenly becomes serious.


#6 Ascaris Roundworms

  • 2,500 people per year
    Top 10 Most Dangerous Animals on Earth Ascaris Roundworms
    Top 10 Most Dangerous Animals on Earth Ascaris Roundworms

These parasites have tiny eggs easily transferred from contaminated dirt into human mouths.

The roundworm takes up residence in the small intestine and can interfere with nutritional uptake, cause tissue reactions and even lead to intestinal blockage as the worms grow larger.


#5 Saltwater Crocodiles 

  • 3,000 Deaths Per Year
    Top 10 Most Dangerous Animals on Earth Saltwater Crocodiles
    Top 10 Most Dangerous Animals on Earth Saltwater Crocodiles

Florida’s alligators may be scary, but they have nothing on their saltwater cousins.

Saltwater Crocodiles are extremely short-tempered, easily provoked, and aggressive towards anything that crosses their paths. 

Because of their size and speed, they don’t fear any other animal on Earth, and that includes humans.


#4 Scorpions

  • 5,000 Deaths Per Year 
    Top 10 Most Dangerous Animals on Earth Deathstalker Scorpion
    Deathstalker Scorpion

When talking about extremely dangerous Scorpions, there are only two kinds that have venom potent enough to kill a human:

Children, the elderly, and people with compromised immune systems are especially vulnerable to the potent neurotoxins delivered by these two arachnids.


#5 Freshwater snails

  • 10,000 Deaths Per Year
    Top 10 Most Dangerous Animals on Earth Freshwater snails
    Top 10 Most Dangerous Animals on Earth Freshwater snails

As far as the world’s deadliest creatures go, most people think of large predators like sharks and lions. But in fact, if we were to point to the animal kingdom’s most frequent killers, are some of the smallest.

Freshwater Snails belong in this “small but deadly” category, as they’re responsible for killing more humans than sharks, lions, and wolves combined.

Freshwater snails carry a parasitic disease called schistosomiasis, which infects nearly 250 million people, mostly in Asia, Africa, and South America.

“It’s one of the world’s most deadly parasites,” says Susanne Sokolow, a disease ecologist at Stanford University’s Hopkins Marine Station.


#4 Assassin Bugs

  • 10,000 Deaths Per Year 
    Top 10 Most Dangerous Animals on Earth Assassin Bugs
    Top 10 Most Dangerous Animals on Earth Assassin Bugs

The appropriately named Assassin bugs are predatory insects that are of great benefit to gardeners.

They are proficient at capturing and feeding on a wide variety of prey including other bugs, bees, flies, and caterpillars. 

But they do pose a danger to Humans as the assassin bug transmits a dangerous parasite through its feces.

The parasite, which causes a condition known as Chagas disease, immediately unleashes acute symptoms which can include severe swelling of the heart or brain.

This deadly phase of Chagas disease causes around 10,000 fatalities annually.


#3 Black Mamba / Snakes

  • 20,000 Deaths Per Year
    Top 10 Most Dangerous Animals on Earth Black Mamba
    Top 10 Most Dangerous Animals on Earth Black Mamba

Though the chances of dying from a snake bite in the United States are near zero.

Unfortunately, many countries don’t have access to such high-quality medical care.

Found in rural places of east Africa the Black Mamba’s bite has a 100% fatality rate, making it one of the most dangerous killers in Africa.

Black Mamba’s accounts for a large percentage of the 20,000 deaths from snake bites each year

Just two drops of a Black Mamba venom can kill a human, according to South Africa’s Kruger National Park

Related Story: Top 10 World’s Deadliest Snakes


 

#2 Tsetse fly 

  • 10,000 to 50,000 Deaths Per Year
    Top 10 Most Dangerous Animals on Earth Tsetse fly 
    Top 10 Most Dangerous Animals on Earth Tsetse fly

Unlike a mosquito, which bites you often without you noticing, a bite from a tsetse fly is an extremely unpleasant experience.

The tsetse fly’s mouth has tiny serrations on it that saw into your skin on its way to suck out your blood.

If you’re unlucky enough to be bitten by a Tetse fly they can quite possibly inject a parasite into your blood system called “human African trypanosomiasis,” which is more commonly known as “sleeping sickness.”

Without treatment, it is usually fatal.


#1 Mosquitoes 

  • 750,000 to One Million Deaths Per Year
    Top 10 Most Dangerous Animals on Earth Mosquitoes
    Top 10 Most Dangerous Animals on Earth Mosquitoes

Though only female mosquitoes feed on humans, the mosquito remains the deadliest animal in the world. Even today, the mosquito is responsible for over 1 million deaths each year.

In addition to spreading deadly diseases like malaria, yellow fever, and dengue, these small insects can have a big impact on a person’s health and well-being.

For example, mosquitoes spread the parasites that cause lymphatic filariasis (LF), one of the world’s leading causes of disability. Also known as elephantiasis, LF causes swollen limbs, severe pain, and social discrimination among millions of the world’s most vulnerable people. 

Malaria Carrying mosquitoes alone account for over half the total number of Human fatalities.

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