Mosquito – Responsible for over 725,000 deaths per year due to vector-borne diseases such as malaria, dengue, and Zika virus. Humans – Homicide and warfare account for approximately 400,000 deaths annually. Snakes – Cause around 100,000 deaths annually through envenomation, particularly in rural Asia and Africa. Dogs (via rabies transmission) – Account for approximately 59,000 rabies-induced human