Bufo toads are highly poisonous. They can kill pests and are dangerous to children. They have now entered Florida. They toads are 6 to 9 inches in legth. They were introduced as pest controllers from Central and South America in the sugar fields. The toad secretes a toxic milky substance when it is threatened. Also, the mild winter and the torrential rains have made it favourable for the toads to begind their breeding cycle.