The Top 10 Most Aggressive Animals on Earth

Tasmanian Devil


The Tasmanian Devil is one of the most powerful creatures on the planet. The adult Demon was the size of a small dog, while the surrounding one was as small as a raisin. They have the most basic gnawing ability of all well-evolved living things.


Wasps are generally defensive and only sting when they feel threatened. However, they can become more aggressive if their nests are disturbed, if they feel their colony is under attack, or if they perceive a threat to their food sources. 



Moose are mainly found in the northern half of the globe and are prone to colder environments. Moose can be aggressive if they feel threatened or if they perceive a potential predator, such as a human or a bear, in their territory.




The Cassowary holds the Guinness World Record for the most dangerous bird in the world. These birds run at an acceleration speed of up to 50 km/h. They can bounce up to a height of 1 meter, and their deadly 12 cm long legs can tear their prey into two pieces.

Saltwater Crocodile

One of the dominant hunters on the planet, considered the strongest of all. Not only that, but they are also dangerous to humans. There have been many reports of saltwater crocodiles chasing boats and eating people.



Sun bears found in the rainforests of Southeast Asia are the smallest of the bear family. These nocturnal creatures are mighty and often attack for no reason. Their long hooks are sharp teeth with enough power.

Sun Bear



Hippos are not friendly creatures. Therefore, their behavior so far has been sketchy. Hippos are known as mighty creatures. Attacks on small boats and even murder. They are the third-best-evolved organism in the world. Hippos are always full of energy, even when water and food are lacking.

Wild Boar

Wild boars are generally cautious and will avoid human contact if possible, but they can become aggressive if they feel cornered, threatened, or if their young are in danger. Their aggressive behavior may include charging, biting.



They are one of the most ferocious creatures found on earth, known for their offensive and protective procedures. The circle turned back to its supporters and counterattacked. Their vast bodies, giant heads, and powerful horns are brutal and deadly.

Cape Buffalo


Black Mambas live in the sub-Saharan desert in Africa and are considered the most dangerous snake on the planet. Insect snakes are light brown but have a dark color near their mouths. Just two drops of its poison are dangerous and can kill an individual.

Black Mamba

More about other animals?

Click above for the Top 10 most Dangerous Water Animals

Click above for the Top 10 most Dangerous Animals in Asia