Nature in and around Sydney
Fauna
The australian fauna is unique. Over 50 million years marsupials, oviparous
mammals and many other exceptional animals were breeding without disturbance.
Because of the isolation they didn't have natural enemies, until the 18th
century when european settlers have imported their animals. Within a few
years the habitat of the native animals have been shortened. For example
the continuing urban sprawl particularly destroys the habitat of the koalas.
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