 Most frogs identify prey by movement , and vision appears to be the primary method by which the cane toad detects prey ; however , the cane toad can also locate food using its sense of smell . They eat a wide range of material ; in addition to the normal prey of small rodents , reptiles , other amphibians , birds , and even bats and a range of invertebrates , they also eat plants , dog food , and household refuse . 
