Australian crocs hit by cane toad 'wave of death'

Pit a cane toad against a freshwater crocodile and who wins? Although the croc eats the oversized amphibian, it seems the toad has the final laugh.

Dead freshwater crocodiles in Australia's Northern Territory were once a rare sight. But since 2005, locals have witnessed mass die-offs. Researchers now say the toxic and invasive cane toad (Bufo marinus) is to blame.

Two surveys, in 2005 and 2007, suggested that the mass croc deaths have progressively moved inland from the mouth of Victoria River, at a pace that matches that of the cane toad invasion.

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