As such, 92% of its vascular plants, 87% of its mammals, 93% of its reptiles, 94% of its frogs, and 45% of its birds are endemic to Australia. It also has the greatest number of reptile species in the world as well as some of the most venomous snakes and other dangerous creatures like the crocodile.
Australia is most famous for its marsupial species, which include the kangaroo, koala, and wombat.
In its waters, around 89% of Australia’s fish species both inland and offshore are restricted only to the country.
In addition, endangered coral reefs are common on Australia’s coast—the most famous of these is the Great Barrier Reef. The Great Barrier Reef is the world’s largest coral reef system and it stretches over an area of 133,000 square miles (344,400 square kilometers.)