Because they are an animal species and rapid movement. When was it bite venom is going to destroy the nervous system and cause death if it does not receive a valid first aid and did not receive a vaccination quickly.
Because they are poisonous animals were moving fast. When it bites, toxic to the nervous system and the fatal if not given the correct first aid and did not get vaccinated quickly.
Because they are poisonous animals and move quickly. Once bitten by poisonous will damage the nervous system and lead to death if not first aid right and do not get vaccinated quickly .