AUSTRALIAN BUREAU OF SUGAR EXPERIMENTAL STATIONS INTRODUCED CANE TOADS INTO AUSTRALIA BECAUSE THEY BELIEVED THAT THE TOADS WOULD GET RID OF THE CANE BEETLES.
THEY USE LUNGWORMS, PARASITES IN THE ALARM PHEROMONE TOGETHER TO KILL OR TO PRODUCE SMALLER TOADS. MANY PEOPLE PHYSICALLY TOOK AND FROZE THE FROGS TO KILL THEM.