Regarded as one of the worlds most venomous animals, the blue ringed octopus can kill an adult within minutes and its toxin has no antidote.

PufferfishThe second most poisonous vertebrate on the planet and their is no antidote. Its poison kills you by paralyzing your diaphragm and making it impossible to breathe.

Caiman crocodiles-According to National Geographic, with one snap of their jaws they can kill almost anything stone dead

Giant Anteater-Although it typically doesnt bother humans, if you corner one expect to be mauled.

LION-Although most lions dont actively hunt humans, there are some individuals in sub-Saharan Africa that are known to be man-eaters.

BEAR-Although the moose has a slightly worse track record, bears are definitely willing and capable of killing humans, even the big docile panda bears

Boomslangs-Although these snakes dont look any more terrifying than any other snake, just a small amount of venom is enough to make you bleed out through every opening in your body.

Leopard Seal-An apex predator in the polar regions, these seals have been known to drag humans off the ice.

MOOSE-Dont be fooled. They actually attack more people annually than bears do and are especially violent when defending a calf.

Box Jellyfish-Even a little bit of this creatures venom can stop your heart

Cassowary-Found in the rainforests of Papua New Guinea, if you disturb this bird do not expect to outrun it. Also, its preferred method of attack is disembowelment using its claws

Hippos are responsible for more human deaths than any other non-human mammal.

Poison Dart Frog-Indigenous South Americans use the venom to create toxic blowgun darts. Too much though, and youre a gonner.

Africanized Honey Bees-Infamous for there vicious behavior, these bees have been known to swarm their victims and chase them for miles.

Wolverine-It looks cute but this vicious animal can take down prey as large as a moose

GREAT WHITE-Like bears, were going to dump all the shark species into one entry for the sake of brevity. While they are probably the most feared animal on this list they are far from the most deadly.

WOLF-Like sharks, wolves are one of the more feared creatures on this list, possibly due to the their extensive territory. While they are certainly capable of killing humans they typically only do so when provoked.

Pfeffer's flamboyant cuttlefish-Like the poison dart frog, the vibrant colors are meant to be a warning. This fish is extremely toxic

Gila Monster-Native to the United States, this lizard is capable of delivering a fatal dose of venom if stepped on.

Elephant-Often seen as cute and cuddly creatures, elephants are actually very efficient people killers and mistreated elephants have even been known to be vindictive

Rhinoceros-Possibly one of the most unpredictable animals on this list, rhinos are known for charging anything they feel even remotely threatened by.

Freshwater Snails-They carry the second most common parasitic disease in the world, schistosomiasis.

Hyenas-They dont have the greatest reputation when it comes to not attacking humans and for good reason, wild hyenas are willing to attack anything that moves.

DOGS-While sharks only kill about 10 humans per year, dogs kill about 25,000 per year. Close proximity with humans and diseases like rabies add to this statistic.