The worlds deadliest animal is a mosquito. A mosquito can kill 700,000 people in a year. there are lots of other deadly animals like lion, tiger and sharks but a mosquito is the most deadliest. A mosquito can carry diseases like yellow fever, malaria, zika virus, dengue fever and west Nile virus. Mosquitos are very common to find but they are mostly in warm places and less in colder places. there are over 3,500 species of mosquitos. Mosquitos can mostly be found in places like Florida and Texas. but in some places mosquitos are not found like antarctica which is the only continent which has no mosquitos.