Mosquitoes are responsible for transmitting diseases such as malaria, dengue fever, and Zika virus, making them one of the deadliest animals on Earth.
While not a species-wide trait, humans can be dangerous due to violence, crime, and the ability to create and use weapons.
Found in the waters of the Pacific and Indian Oceans, the box jellyfish has tentacles with toxins that can cause heart failure and death in humans.
Known for its aggressiveness and powerful bite, the saltwater crocodile is responsible for numerous fatal attacks on humans.
While generally peaceful, elephants can become aggressive, especially when provoked or during musth.
Despite their seemingly docile appearance, hippos are responsible for more human deaths in Africa.
Considered one of the most dangerous animals in Africa, Cape buffaloes are known for their unpredictable behavior and are responsible.
Polar bears are powerful predators and can be dangerous to humans, especially in the Arctic regions where they may see humans as prey.
Animals such as dogs, bats, and raccoons can carry and transmit the rabies virus, which is often fatal if not treated promptly.
Found in Africa, the tsetse fly transmits a parasite that causes African trypanosomiasis (sleeping sickness), a potentially fatal disease in humans.