Why do koalas live only in Australia?

in #animals9 years ago (edited)

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Many of us sometimes wonder why Koala is only found in Australia. The reason is that Australia and the islands of Oceania are ancient lands that have been isolated from other continents for millions of years. That is why 84 per cent of Australia’s mammals and plants and almost half of its birds cannot be found anywhere else in the world. These include the koala, kangaroo, platypus, echidna, brush-tailed possum and wombat, and birds like the emu and the kookaburra.

Other native animals include reptiles like crocodiles, snakes and lizards. The saltwater crocodile of northern Australia is the largest reptile in the world. The tuatara, the most ancient reptile, is found in New Zealand. It can live for up to 100 years

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