It is early evening in Australia's top end, and a hunter stalks its prey. Keenly alert, the northern quoll follows the sound of rustling in the leaf litter. It must be some kind of frog, the small ...

What's that weird sound? It might be invasive, toxic cane toads Steve McQuilkin of The Fort Myers News-Press captured this sound of the invasive, toxic cane toads in his Cape Coral neighborhood.

Cane toads are invasive frogs that threaten the survival of several Australian wildlife species. Scientists and conservation managers have long grappled with how to stop the toad’s march across the ...