Australia is home to a diverse range of fauna, including unique species that are not found anywhere else in the world. Iconic animals such as the kangaroo, koala, and platypus highlight the continent's distinct wildlife. Many of these species have adapted to the varied environments, from arid deserts to lush rainforests. The country's ecosystems support a wide variety of birds, reptiles, and marine life. Notable examples include the emu, crocodile, and the vibrant Great Barrier Reef teeming with colorful fish. Conservation efforts are crucial to protect these species and their habitats from threats like climate change and habitat loss.