* Fear: Animals may attack humans if they feel threatened or cornered. This is especially true of wild animals, such as bears, wolves, and mountain lions. When these animals feel threatened, they may lash out in self-defense.
* Provocation: Humans can also provoke animals, leading to attacks. For example, trying to pet a wild animal, cornering an animal, or threatening an animal's young can all trigger an attack.
* Predation: In some cases, animals may attack humans out of desperation or hunger. Predators, such as sharks, crocodiles, and big cats, are the most likely to attack humans for this reason.
* Disease: Animals can also transmit diseases to humans, such as rabies, Lyme disease, and tularemia. If an animal is sick, it may be more likely to attack humans in order to defend itself.
* Competition for food: Some animals may attack humans if they feel they are taking advantage of a food source. If someone steals some fruits, berries or meat they would eat this can easily be considered provocation.
Animals can attack humans due to a variety of reasons, it is critical that when in unfamiliar terrain to be safe to both oneself and wildlife!