Invasive species: cane toads eat their own species

For decades, eastern and northern Australia could not get rid of a man-made plague: cane toads, which were introduced to the fifth continent of South America in 1935 to control pests. (Rinella Marina). They spread almost unchecked, eat so many smaller representatives of the Australian fauna, are so poisonous that few predators like the crocodile have a hard time. So far, many attempts to control the plague have failed – including creative ideas such as the one collecting sugarcane frogs on a large scale and marketing them as delicious sausages.

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