Why did Cocos Island national park become a world heritage site?

Cocos Island National Park was designated a UNESCO World Heritage Site due to its unique biodiversity and significant ecological importance. The island is home to a variety of endemic species, including unique flora and fauna, and serves as a critical habitat for marine life, including sharks and sea turtles. Its pristine ecosystems, consisting of tropical rainforests and marine environments, reflect the natural beauty and ecological processes that are vital for conservation efforts. Additionally, the site's isolation has helped preserve its ecosystems, making it a key area for scientific research and conservation initiatives.