 In Australia , the adults may be confused with large native frogs from the genera Limnodynastes , Cyclorana , and Mixophyes . These species can be distinguished from the cane toad by the absence of large parotoid glands behind their eyes and the lack of a ridge between the nostril and the eye . Cane toads have been confused with the giant burrowing frog ( Heleioporus australiacus ) , because both are large and warty in appearance ; however , the latter can be readily distinguished from the former by its vertical pupils and its silver @-@ grey ( as opposed to gold ) irises . Juvenile cane toads may be confused with species of the Uperoleia genus , but their adult colleagues can be distinguished by the lack of bright colouring on the groin and thighs . 
