Top 10 Aggressive Animals In The World

aggressive animals


Aggressiveness is often associated with animals. And sometimes it is also considered as their natural trait. But there are some wild creatures that stand apart and are feared the most for their vigorous behaviour. This is the most probable reason why these animals are considered most harmful. Here are the top ten most aggressive animals.



Black Mamba living in the sub-Saharan desert in Africa was considered the most dangerous snake in the world. The poisonous snake is brownish in colour, but the inside of its mouth is black. Just two drops of its poison are life-threatening and can kill a person. These snakes can grow as long as 14 feet in length and survive for 11 years. Its harmful venom is composed of a neurotoxin, cardiotoxin and other powerful toxins. Black Mamba is considered the fastest land snake in the world, travelling up to 12 miles per hour. They turn excessively aggressive when they feel threatened. Its venom is neuro-toxic and travels at a really high speed into the nervous system.

aggressive animals


The largest surviving carnivorous marsupial, Tasmanian Devil is one of the most aggressive animals in the world.The adult Devil is of the size of a small dog and the newborn is as small as a raisin. They have the strongest bite of any living mammal. One of the toughest animals in the world turns most aggressive while mating as they have to fight with other males in the clan and only the one who wins the battle can have the female for him. Tasmanian devils are carnivores and are often found feeding on dead and rotten animals.


Toughest Animals


The 6 feet tall Cape buffalo is also known as the Death Buffalo. Their extremely aggressive and powerful behaviour has earned them the name. They run at the speed of 57 km/hr. It is also the only member of buffalo tribe that occurs naturally in Africa. They feed on grass and need a lot of water. One of the fierce animals in the world, Cape Buffaloes are known for their attack and defence technique. The circle back on their pursuers and counter-attack. Their massive body, huge head and powerful horns are strong and deadly.

Toughest Animals


The cassowary is the one the largest birds still alive. Not only that, it even holds the Guinness World Record for world’s most dangerous bird. There are three extant species of this bird. These shy birds run at a speed up to 50 km/h. They can jump up to a height of 1 meter and the 12 cm deadly claws can tear the prey into two pieces. The most feared thing of this flightless bird is its kick. The southern cassowary is the third tallest and the second heaviest living bird.

aggressive animals


Wild Boars or wild swine have deadly tusks and are known as one of the widest ranging mammals in the world. They live in the wild and are omnivores in nature. Their major need is carbohydrates. Though Wild boars rarely attack humans, their attack can be very dangerous. The boar’s attack with their jaws and foam comes out of their mouth. They often hit their head and attack with their tusk.

aggressive animals


Sun Bear found in Southeast Asian Tropical forests is the smallest member of the bear family. These nocturnal animals are highly aggressive and mostly attack without any cause. Their long claws are sharp teeth have enough power. Sun bears live in trees. They are solitary creatures and prefer to meet only when the mating period comes. They mostly feed on fruits, and sometimes small insects and small rodents.

aggressive animals


Belong to the Mustelidae family; Wolverine is the largest land-dwelling species. These solitary animals are polyamorous. They have great smelling power and can travel up to 24 km in search of food. They are omnivores in nature. They are often termed as the killing machine as they carry no fear in their heart. Weighing 15kgs to 30kgs, Wolverine’s jaw is called the iron jaw for the strength it carries. It is one of the most popular US animals in the world.

aggressive animals


The hippopotamus is the Latin word that means “Horse of the river”. This semi-aquatic animal mostly feeds on grass. Though found in a herd, hippos are not social animals. Thus their behaviour has always been questionable. Hippos are termed as extremely aggressive animals. The attack on small boats and even kill humans. They are the world’s third largest mammal. Hippos are even aggressive when there is lack of sufficient water and food. The large size of Hippos is often scary. The newborn weighs as much as 100 pounds. Researchers believe that the aggressive and dominating character of Hippopotamus has kept it powerful throughout the long years. It is also listed as one of the most dangerous animals in the world.

Toughest Animals


The bloodshot red eyes with bold white eyebrow give a terrifying appearance to Northern Goshawk. These birds are found across Northern America and Eurasia. The Goshawk is extremely protective towards its nest. They don’t even hesitate to attack humans if they feel threatened. They feed on insects, birds and even reptiles. In case of Northern Goshawk, the females are 25% heavier than the males. The breeding pair performs a sky dance as part of their courtship.

aggressive animals

Image Source: Wikimedia


The 23 feet long Saltwater Crocodile is World’s largest living crocodile. One of the apex predators in the world is considered to be the most aggressive of all. Not only that, they are dangerous to mankind too. There have been many reports of Saltwater crocodiles attacking boats and eating humans. They are excellent swimmers and can swim as long as 900 km. They live for about 65 years.

Dangerous Animals

So, these are the aggressive animals in the world.

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