A pair of northern quolls. After successful trials of a cane toad sausage in captivity, the method will be tested in the Kimberley region of Western Australia. Photograph: Jonathan Webb, UTS/AAP A pair of northern quolls. After successful trials of a cane toad sausage in captivity, the method will be tested in the Kimberley region of Western Australia. Photograph: Jonathan Webb, UTS/AAP