House fly
Of all the larger land animals of Africa, the hippo is the most dangerous and kills a number of humans each year.
deer
its said that the hippopotamus actually kills more people than any other animal
What about microbes and viruses? If you mean like land animal, I think it's the black widow
Clearly, Car Accidents. Everyone knows penguins can't drive.
The mosquito, which through disease it carries, kills many people every year.
the hippo
A misquito because some mosquitoes carry something deadly (I forget the name) and when it bites people, the people can die
Pneumonic Plague, if not treated within the first 24 - 48 hours of infection, the mortality rate is 100%. If it is, the mortality rate is 75%.
Technically, mosquitoes kill the most people because of the transfer of disease. Other than this, hippos physically kill the most people.
Supposedly the tiger, but other animals include crocodiles, elephants, leopards, panthers, etc.
Currently the mosquitos kills more people every year than any other animal.