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Because of Australia's geographic isolation As a result of being totally surrounded by Ocean very Little interaction has taken place between the creatures in Australia and the rest of the world.

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14y ago
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10y ago

Egg laying mammals - monotremes - are found not only in Australia but also in Tasmania and New Guinea. As with other animals found only in certain locations, it had to do with separation of the land masses eons ago.

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Q: Why are egg laying mammals found only in Australia?
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What is an egg laying mammal of Australia and New Zealand?

There is no such mammal. Platypuses and echidnas are the only egg-laying mammals. The platypus is endemic to Australia, and the two species of echidna are not found outside of Australia or New Guinea. There are no egg-laying mammals in New Zealand.


Is the anteater a egg-laying mammal?

No. The only egg-laying mammals are the platypus and the echidna, both native to Australia.


Where do monotremes or egg laying mammals live?

There are two egg-laying mammals in Australia. They are the platypus and the short-beaked echidna.The only other egg-laying mammal is the long-beaked echidna, which is only found in New Guinea. The short-beaked echidna is also found in the eastern part of New Guinea, in Papua New Guinea.


Monotremes are egg-laying marsupials Name the only two monotremes in Australia?

The two monotremes, or egg-laying mammals, in Australia are the platypusand the short-beaked echidna.


What Australian marsupial lay eggs?

There are two egg-laying mammals in Australia. They are the platypus and the short-beaked echidna. The only other egg-laying mammal is the long-beaked echidna, which is only found in New Guinea.


What is the only mammal found in australia?

There are many mammals found in Australia, and many of these are unique to the continent:KangarooKoalaDingo


Are bats egg laying mammals?

No. Bats are placental mammals. The only egg-laying mammals are the platypus and the echidna.


What are the 5 egg laying mammals?

There are only 2 egg laying mammals. They are the platypus and the echidna.


Is the platypus the only mammal in Australia?

The platypus is found only in Australia. However, both species of echidna are found in New Guinea. The long-beaked echidna is found in New Guinea but not Australia, while the short-beaked echidna is found in a small corner of Papua New Guinea, but all over the Australian continent.


What two Australians marsupials lay eggs?

There are no marsupials in Australia that lays eggs. The only egg-laying mammals are monotremes, and in Australia these are the platypus and the short-beaked echidna.


Two egg-laying mammals the platypus and the echidna both live in what country's wilds?

The platypus is found only in Australia. The common echidna known as the short-beaked echidna lives in Australia, but the long-beaked echidna lives in New Guinea.


Are porcupines egg laying mammals?

No. Porcupines are placental mammals, and give birth to live young. The only egg-laying mammals are the platypus and the echidna.