Why Are There So Many Unique Animals In Australia

Climatic and geologic events helped Australia to form its unique fauna.

Why are there so many unique animals in australia. It has been separate for so long that unique species have evolved here like the Kangaroo which has evolved to deal with the vast distances and sparse vegetation in. It is a secluded landmass with no immigration of animals from other parts of the world. Most Dangerous Australian Animals.

About 50 million years ago Australia became an island. The box jellyfish marbled cone snail blue-ringed octopus and stonefish are in the top ten most venomous animals of the world and all live in Australia. There are so many unique australian animals because australia is on a continent that is pretty far from other continents.

There are some 250 species of native mammals. This high level of endemism is a result of Australias long period of isolation from other continents since its separation from Gondwana about 40 million years ago. In Australia alone there are more than 378 mammal species 828 bird species 4000 fish species 300 species of lizards 140 snake species two crocodile species and around 50 types of marine mammals according to Australia.

For millions of years the Australian continent was so far away from any other landmass that there was no possibility for new types of animals to get to it. Australia is the kingdom of marsupials home to furry kangaroos koalas and wombats. The continent has so many marsupials it raises the question.

The answer is actually simple. It is because Australia is an island. Sea levels were much lower than today.

About 50 million years ago australia became an island. Some are dangerous because they spread disease like mosquitoes that can carry malaria. 04112019 16 animals that live in australia 1.