Invading Animals: The Cane Toad

In the early 20th Century, the South American cane toad was introduced to Australia to eat beetles which were destroying the sugar crop. But once in the wild the toads did more harm than good. Biology - Ecosystems - Learning Points. The cane toad was introduced to Australia to help farming. They multiplied and took over, and many native species were lost. They have no natural predators and survive in diverse habitats. This is an example of a successful invasion. A Twig Context Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.