1. Deathstalker Scorpion
   Black Widow Spider
2. Africanized Honey Bee
   Cone Snail

Heading to North Africa or the Middle East? Then beware of this highly venomous scorpion that is responsible for over 75% of scorpion-related deaths every year.

1. Golden Hornet
   Paper Wasp
2. Tse Tse Fly
   Africanized Honeybee

In 1957 a Brazilian bee keeper trying to interbreed European and African honeybees accidentally let some get away. Due to their swarming, stinging and aggressive behavior, these "killer bees" are feared.

1. Cape Buffalo
   Rhinoceros
2. Grizzly Bear
   Hippopotamus

Rhinos are more dangerous than you may believe. Once they have you in their sights you will need to outrun them, and at 40 mph, you can understand why there are so many deaths by rhinoceros.

1. Rattle Snake
   Cone Snail
2. Stonefish
   Africanized Honey Bee

Thinking of taking a walk on the beach? Maybe dip a toe or two into the water? Be careful if there is a cone snail that inhabits the water. One drop of venom from this minute creature is enough to kill 20 people.

1. Forest Cobra
   Stonefish
2. Poison Dart Frog
   Puffer Fish

Snorkeling? Watch where you put your feet. Lying camouflaged on the ocean floor, the “world's most venomous fish” can kill you if you step on its poisonous spines.

1. Puffer Fish
   Stone Fish
2. Great White Shark
   Komodo Dragon

The great whites like to sample whatever is floating, to see if it is edible or not. So they'll bite you, but because people are too bony, they'll usually leave you to bleed out in the water. Isn't that sweet?

1. Rattlesnake
   Black Mamba
2. Forest Cobra
   Gaboon Viper

Don't be at the wrong place at the wrong time in Africa. Known as “death incarnate,” the black mamba is highly aggressive, very fast, and attacks without provocation.

1. Rhinoceros
   Water Buffalo
2. Grizzly Bear
   Hyena

This animal is so highly unpredictable, it is known as the “widowmaker” or “black death” in Africa. It is also responsible for more fatalities every year than any other large animal on the continent!

1. Forest Cobra
   Poison Dart Frog
2. Gaboon Viper
   Puffer Fish

This small amphibian has enough poison on its skin to kill an army of 20,000 mice, so think of what brushing up against it would do to you.

1. Black Bear
   Polar Bear
2. Grizzly Bear
   Brown Bear

This killer mammal will eat anything that is even slightly meaty, including other polar bears. Although they generally don’t kill humans, it’s probably because there aren’t many of us around their neighborhood to kill. But don't test this theory.

1. Blue Ringed Octopus
   Box Jellyfish
2. Brazilian Wandering Spider
   Tarantula

The venom of this jellyfish is so potent, it kills more people every year than sharks, crocodiles and stonefish combined!

1. Hyena
   African Lion
2. Cougar
   Black Panther

It is unusual for a lion to kill humans. However, the lions known as the Tsavo man-eaters, mauled and killed 28 railway workers in Kenya over a nine-month period in 1898.

1. Spitting Cobra
   Boomslang
2. Tiger Snake
   Komodo Dragon

Although they are relatively shy, don't mess with a boomslang. Their venom disables blood clotting so its victims slowly die as they bleed out from every pore in their body. Lovely.

1. Stonefish
   Blue Ringed Octopus
2. Puffer Fish
   Saw Fish

Considered one of the most poisonous vertebrates in the world, the poison of the puffer fish will paralyze your diaphragm and stop your breathing.

1. Black Panther
   Leopard
2. Hyena
   Tiger

Hyenas have been known to hunt humans throughout history. Since they are attracted to human corpses, they increase their human-hunting during wartime and disease outbreaks.

1. Iguana
   Komodo Dragon
2. Red Toad
   Dragon Lizard

Komodo dragons will eat anything from birds to water buffaloes to humans, even dig up bodies from shallow graves. They are skilled hunters and will charge their prey, rip out its throat, and retreat while the poison from their bite finishes its life.

1. Paper Wasp
   Tsetse Fly
2. Fire Ant
   Kissing Bug

This large blood-sucking fly is known to carry the African sleeping sickness. This disease is responsible for killing up to a quarter of a million people every year.

1. Cougar
   Leopard
2. Lion
   Tiger

When leopards are wounded they become even more dangerous. So be alert. They are stronger than you think. They drag dead antelopes up trees.

1. Forest Cobra
   Carpet Viper
2. Komodo Dragon
   Spitting Cobra

Please don't get bitten by this viper. It has a poison similar to the boomslang, so if you don't get medical assistance, you'll slowly bleed to death.

1. Brazilian Wandering Spider
   Wolf Spider
2. Jumping Spider
   Tarantula

The most venomous spider in the world is often found hiding in houses and cars of densely populated areas, especially during daytime. It's not the surprise you want inside your cereal.

1. Widow Spider
   Blue Ringed Octopus
2. Armed Spider
   Jumping Spider

This golf-ball size octopus has enough venom to kill 26 full-grown adults, and there is no antidote.

1. Rhinoceros
   Hippopotamus
2. Elephant
   Saltwater Crocodile

Are you surprised that hippos are regarded as one of the most dangerous animals in Africa? These highly-aggressive animals have been known to attack humans without provocation even to the point of destroying entire vehicles.

1. Gila Monster
   Komodo Dragon
2. Saltwater Crocodile
   The Horned Devil Lizard

The saltwater crocodile has been known to eat everything from water buffalo to sharks. It uses a technique called the “death roll” to kill its prey.

1. Rhinoceros
   African Elephant
2. Hippopotamus
   Water Buffalo

As the world’s largest land animal, you don't want to get in its way when it's on a rampage. Elephants can be fiercely aggressive and have been known to raze entire villages.

1. Mosquito
   Flea
2. Honey Bee
   Gnat

It is hard to think of mosquitoes as deadly, however, they transmit diseases to almost 700 million people annually resulting in 2 to 3 million deaths every year.

1. Flea
   Assassin Bug
2. Bot Fly
   Bullet Ant

Assassin bugs can transmit serious diseases, such as Chaga's disease, to humans. Assassin bugs (or kissing bugs) get their names from their habit of biting humans on the face near the lips.

1. Fire Ant
   Bot Fly
2. Flea
   Tsetse Fly

The larvae of botflies live beneath a human’s skin and cause horrible effects. You don't want to know.

1. Giant Japanese Hornet
   Paper Wasp
2. Cicada Killer
   Fire Ant

The giant Japanese hornet is the largest species of hornet in the world. These aggressive creatures claim up to 40 deaths each year from their poisonous sting.

1. Fire Ant
   Red Ant
2. Bullet Ant
   Black Scorpion

The bullet ant is the largest of all ants in the world and their sting is so painful it feels as if you've been shot. Thankfully they are mostly found in rain forests of Nicaragua and Paraguay.

1. Flea
   Fire Ant
2. Red Velvet Ant
   Redback Spider

Don't disturb any of the 285 different species of fire ants, because once disturbed, they will swarm the intruder and use their painful bites repeatedly.

1. Black Newt
   Electric Eel
2. Spotted Salamander
   Puffer Fish

Electric eels can produce a maximum electric shock of 600 volts, which can result in heart failure in humans.

1. Piranha
   Goliath Tigerfish
2. Giant Sawfish
   Red Lionfish

When piranhas hunt in groups, it is almost impossible to escape. With their taste for meat and razor-sharp teeth, be wary where you swim. There have been a number of reported attacks on humans in the Amazon basin.

1. Barracuda
   Red Lionfish
2. Goliath Tigerfish
   Goldfish

While the red lionfish only grows up to about 12 inches long, it packs enough toxins within its spiny fins to kill a human.

1. Catfish
   Giant Freshwater Stingray
2. Piranha
   Bull Shark

Steve Irwin, the legendary wildlife enthusiast, was killed by a small ocean stingray. The Giant Freshwater Stingray has an eight-inch stinger and a powerful sting that goes with it.

1. Bullhorn Acacia Ant
   Driver Ant
2. Bald-Faced Hornet
   Tarantula Hawk

With 22 million in a colony, even elephants would run away from an attack of driver ants. Be forewarned, they will try to overwhelm and eat any animal that comes across their path.

1. Payara
   Killer Whale
2. Great White Shark
   Bull Shark

If you have six-inch long fangs, your nickname might be "Vampire", too. The payara, or vampire characin, prowl the Amazon River and are incredibly aggressive, leading to numerous human deaths.

1. Great White Shark
   Killer Whale
2. Bull Shark
   Moray Eel

With over 120 reported attacks on people in total, the bull shark is not a shark to aggravate. The bull sharks are very fast and aggressive predators. Since they can be found in rivers and lakes, the likelihood of attacking humans are much higher than from other sharks.

1. Spectacled Cobra
   Common Krait
2. Russell's viper
   Baracuda

Listed on the top 10 killer animals in India you'll find the Indian or spectacled cobra. The venom of a spectacled cobra attacks the nervous system and causes paralysis and cardiac and respiratory failure.

1. Russell's Viper
   Common Krait
2. King Cobra
   Iguana

Here is another on the list of top 10 killers in India, the common krait or Indian krait can be found anywhere from jungles to inside hidden nooks in homes. Their bite causes paralysis and suffocation.

1. Colorado Rattlesnake
   Iguana
2. Indian Rock Python
   King Cobra

The Indian rock python or black-tailed python can grow to almost 10 feet long! This is one of the biggest python species found in India. The Indian rock python is one of the most dangerous animals in India, as it is known to crush its victims.