Top 5 Most Dangerous Animals:
Mosquitos
Humans
Snakes
Dogs
Tsetse fly


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The world’s most dangerous animal is also one of the smallest. But the mosquito’s dangers lie not in its size but in the diseases it carries — mainly malaria, which kills 400,000 people a year and sickens hundreds of millions more. But that’s not all, the tiny insect also carries deadly viruses like dengue fever, yellow fever, Zika, West Nile, and encephalitis. All together, the WHO estimates that vector-borne diseases are responsible for more than 700.000 deaths per year.



Humans
A group of people on a playground

Philippe Beyer / EyeEm / Getty Images

According to the Centers for Disease Control and Prevention (CDC), humans are the second most deadly animals on Earth. Each year, there are an estimated 19,141 homicides, 14,414 of which are attributed to firearms. That means that there are 5.8 deaths per population of 100,000 humans. What’s more, 2018 also saw about 1.2 million emergency department visits due to human-on-human assault.

Saw Scaled Viper
Saw Scaled Viper in Maharashtra, India

ePhotocorp / Getty Images

According to WHO data, between 4.5 million and 5.4 million people are bitten by snakes each year, of which 1.8 million to 2.7 million develop clinical illness, and 81,000 to 138,000 die.4 When it comes to snakes, the saw scaled viper is considered the most deadly, causing a higher global snakebite mortality rate than any other specie

Dogs