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Top 10 Most Dangerous Animals in the World

More than 15 million species live on our planet and humans are one of them who have an intelligent mind. All these species make a diverse ecosystem that helps to run the biological cycle on this planet. Every day one species of animals killed another species of animals for their food.

In ancient times, humans also used to live in forests like other animals and other animals are the major threats to humans. Somehow humans survive from that stage and come to the modern era and become the most powerful species in this world.

Although these achievements of the human species, humans are killed by other animals every year in large numbers. In this article, We have described some of the most dangerous animals in the world.

Here is the list of the top 10 most dangerous animals in the world:

10. Tapeworms

Kingdom Animalia
Phylum Platyhelminthes
Class Cestoda
Order Cyclophyllidea
Family Taeniidae
Genus Taenia
Species T.Saginata

Tapeworms are parasite animals that live in the intestines of many animals. They enter the animal’s intestines from grazing in pastures or by drinking contaminated water.

In humans, they enter in intensities by eating undercooked meat of infected animals. 

Tapeworm has a head, a short neck, and a segmented body formed of proglottids and has no mouth. They absorb their food directly from the host’s gut.

They are hermaphrodite animals that have both male and female reproductive organs in their individual body. In the human body, they cause few symptoms and can be easily treated. Sometimes, they will cause serious and life-threatening problems.

According to CNET, More than 2000 humans are killed by this parasite animal in a year.

9. Ascaris roundworms

Ascaris roundworms
Kingdom Animalia
Phylum Nematoda
Class Chromadorea
Order Ascaridida
Family Ascarididae
Genus Ascaris
Species Ascaris lumbricoides

Ascaris roundworm is a species of roundworm that also affects the intestine of the animals. They are also parasite animals which fully depend upon other animals.

They are also known as “small intestinal roundworms“. They enter the animal’s body from unsafe food and water.

Ascaris roundworms have long, cylindrical bodies and are pointed at both ends. The body wall of these parasites is composed of cuticle, epidermis and musculature.

Infection of these parasites will not cause any symptoms to the human body in the initial stages but after the initial periods, they can create problems to our lungs or intestines.

Ascaris roundworms eggs can be found in contaminated soil by human feces. 

Mostly children become infected by these parasites. The infection of this causes fever, blood in the mucus, coughing, aspiration pneumonia, chest discomfort, nausea, vomiting, diarrhea, loss of appetite, weight loss, and many more other symptoms.

Due to the lack of sanitation knowledge and unsanitary conditions, many people are infected with these parasites every year.

According to CNET, More than 2500 humans are killed by this parasite animal in a year.

8. Scorpions 

Kingdom Animalia
Phylum Arthropoda
Class Arachnida
Order Scorpiones
Family Buthidae

Scorpions are poisonous insects that are very dangerous. They have more than 2500 species among them some are more toxic to humans and some are less toxic for humans.

The word ‘Scorpions’ originated from Middle English between 1175 and 1225AD.

Scorpions have eight legs and have a narrow segmented tail. They can be easily recognized by their curve tail and have stingers on their back.

The average lifespan of scorpions is about 3 to 8 years and the size is about 2.5 to 8.3 inches. They are carnivorous animals. About 25 species of Scorpions have venom capability of killing humans.

It is one of the deadliest animals to humans. According to CNET, More than 3250 humans are killed by these insects in a year.

7. Freshwater snails

Freshwater snails
Freshwater snail
Kingdom Animalia
Phylum Mollusca
Class Gastropoda
Order Achatinoidea

Freshwater snails are also one of the most dangerous animals in the world to humans. These snails are mostly found in freshwater. Snails have many different families and they found in almost every part of the world in various habitats.

According to the research, there are 4,000 species of freshwater gastropods in the world. 

Freshwater snails have heads at one end of the body and have two pairs of tentacles. They have shells and they hide into the shell when they sense danger around them. They are found in varying colors and sizes.

Freshwater snails are also one of the causes of different types of diseases and they release parasites. These released parasites cause schistosomiasis in freshwater. Schistosomiasis causes digestive problems, infertility, and bladder cancer.

According to the reports of CNET, More than 10,000 humans died due to these Freshwater snails.

6. Assassin bugs

Assassin bugs
Assassin bug
Kingdom Animalia
Phylum Arthropoda
Class Insecta
Order Hemiptera
Family Reduviidae

Assassin bugs are one of the small insects and are the deadliest animals to the human. Assassin bugs are predators and they eat a variety of pests.

They are patient hunters and attack their pests suddenly.

The body structure of Assassin bugs is a thin neck-like body having a small head attached to the body with pairs of long legs. The size of these insects varies from 5 mm to 40 mm.

Generally, they are found in black or dark colors. They hunt other insects for food and also sucks blood from vertebrates including humans and become a medium of transmission of diseases to the human body.

According to the CNET, more than 10,000 humans are killed by these insects every year.

5. Tsetse flies

Tsetse flies
Tsetse flies
Kingdom Animalia
Phylum Arthropoda
Class Insecta
Order Diptera

Tsetse flies are one of the insects which are deadliest to the human. They are also known as tik-tik flies.

They feed themselves by sucking the blood of vertebrate animals. During the sucking of blood, they transmit the different types of diseases to the other animals.

Tsetse flies are small insects which are similar to the housefly. The size of these insects varies from 8 to 17 mm.

The body part of this insect is divided into 3 parts ie; body, head, wings. The wings of these insects fold completely so that they can rest on the top of the body.

They are the biological vectors for Trypanosoma which causes sleeping sickness in humans and trypanosomiasis to animals.

According to the CNET, More than 10,000 humans are dead by the diseases which are transmitted by these insects every year.

4. Dogs

Kingdom Animalia
Phylum Chordata
Class Mammalia
Order Carnivora
Family Canidae

Dogs are domestic animals and are the closest animals to humans. They are considered as the subspecies of the wolf.

More than 360 breeds of dogs are recognized in the world among which some of them are popular dog breeds. They are honest animals to the humans and are also capable of transmission of disease to the human many times.

The sizes, colors, and body structure of the dog vary between their different breeds. They are naturally wild but are the first species to become domestic.

According to the research, they are bred from wolves. Dogs help the human in many sectors like hunting, herding, assisting police, pulling loads, protection and many more.

As we know, they are the closest animals to humans but they also have records of the major medium of transmission of different types of diseases to humans.

Dogs transmit different diseases like Rabies, Noroviruses, Pasteurella, Salmonella, Brucella, Campylobacter, and many more.

According to the Research of CNET, More than 25,000 humans died from the disease transmitted by dogs.

3. Snakes

Kingdom Animalia
Phylum Chordata
Class Reptilia
Order Squamata

Snakes are legless, elongated reptiles that are carnivorous in nature. They are the ectothermic, amniote vertebrates which are covered by overlapping scales.

Snakes have more than 3,000 species in this world. They found almost every region of the earth except in Antarctica, Iceland, Ireland, Greenland, and New Zealand. 

The shape, sizes and color of the snakes vary by their breed and types. The largest snake is the Reticulated Python which is about 6.95m in length and after that Green Anaconda is the long snake which is about 5.21m and is also considered as the heaviest snake on this planet with 97.5 kg weight.

Although, there is the importance of the snake in our ecosystem, and on the other side they are Venomous and have the ability to kill humans. Not all snakes are poisonous in nature.

About 600 species of snake are venomous and many people in this world are killed and wounded by humans every year.

According to CNET, more than 50,000 humans are killed by snakes every year.

2. Humans

Kingdom Animalia
Phylum Chordata
Class Mamalia
Order Primates

Humans are the highly intelligent animals on our planet. They are also known as the Homosapiens in scientific language. Humans are terrestrial animals that stand on their 2 legs.

Humans originated about 2 million years ago in this world. The development of humans is one of the most demandable research for modern humans.

Humans are the only one animal in this world which have well-developed brains and have their own advanced communicable language, problem-solving capacity, culture, and sociality.

In Spite of these pros, humans are not able to maintain harmony among themselves and these reasons cause the destruction of humans.

During the world wars, many humans were killed. Advanced weapons were used against humans and it leads to the death of many innocent people.

Although there is peace in the world in the current situation, humans are killed by humans themselves every year because of small reasons and shameful thinking of the egoist people.

According to the CNET, More than 475,000 Humans are killed by humans every year.

1. Mosquitoes

Kingdom Animalia
Phylum Arthropoda
Class Insecta
Order Diptera

Mosquitoes are tiny insects and are the deadliest animal to the human. Typically,

Mosquitos feed themselves on plant juices, nectar, and aphid honeydew but in some species, the female mosquitoes suck the blood of other animals as their food.

More than 3,500 species are found in this world. 

The average lifespan of the mosquitos is about 2 weeks to 6 months and the size of the mosquitoes is 0.125 to 0.75 inches. Female mosquitoes bite animals to get the blood that is required to produce eggs.

During the biting, they get infected with various gems and viruses, and later, they play the role of medium to transmit the various communicable diseases.

Malaria, yellow, dengue are some of the diseases which are transmitted by mosquitoes. According to the CNET, more than 1 million humans are killed by these mosquitoes every year.

Final Words

Hoping! From this article, you have got an idea about the most dangerous animals in the world and their nature. The research data are taken from the CNET. Name the animals in the comment box below which makes you more frightening? Hope! You enjoyed this article. Have a nice day!

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