Dogs - specifically dogs infected by the rabies virus - are one of the deadliest animals out there, though the virus can be prevented using vaccines. About 35,000 deaths can be attributed to rabies, and of those cases, 99 percent are caused by dogs, according to WHO. read more
One of the world's most dangerous creatures is the saltwater crocodile. The Earth's largest reptile can reach up to 23 feet long and weigh in at more than 2,000 pounds. Watch out because these predators will eat anything they can get their hands on from wild boars to humans and even sharks. read more
Moving from one of the largest animals in the world we now come to one of the smallest. As small as it is though, it is also the deadliest. It has been estimated that mosquitoes transmit diseases to almost 700 million people annually resulting in 2 to 3 million deaths every year. read more