Amphibians Australia has 240 known species of amphibians, and all of them are frogs.photo_cameraOpen description A green and golden bell frog (Litoria aurea) on Broughton Island closeClose descriptionImage Credit: Dean Portelli/DCCEEW Frogs With more than 200 species, Australia has one of the most diverse range of frogs in the world.east Bell frogs There are 3 species of bell frog in New South Wales. They are all similar in appearance but can be distinguished by their markings.east Threats to frogs In recent years, scientists have become increasingly aware of a worldwide decline in the numbers of frogs. Frogs are disappearing in Australia.east