Located in the northeastern part of Australia, the Dan Cui Rainforest is one of the oldest rainforests on the planet. Animal and plant visits are the highlight of the tour, and spring is the best time to enjoy the time, when the temperature is pleasant, there are few storms, and the animals and plants are also the most active. 1 Animal and plant species Dordan Cuiyulin has the most flora and fauna on the planet. The rich canopy is home to one-third of Australia's frogs, marsupials and reptile species, and nearly two-thirds of bats and butterflies. kind. This huge rainforest is home to about 430 species of birds, 13 of which are not found anywhere else in the world.