Since the introduction of cane toads into Australia in 1935 to wipe out cane beetles, their numbers have exploded with conservative estimates putting their number at over 200 million now.

With no known predators, scientists have always struggled to control the pests but now a beach on Bribie Island has become the front line for a ground-breaking program to stop their spread and it uses the toads own poison against it.

Professor Rob Capon from the University of Queensland’s Institute for Molecular Bioscience tells Mark how it works.

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