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Koala (Phascolarctes cinereus)

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  • National: Vulnerable 
  • State: Vulnerable in ACT, NSW and QLD 
The national koala population is estimated to be less that 100,000.

Koalas can be found in coastal areas of the Australian mainland's eastern and southern regions. 



The distribution of the Koala and its habitat is influenced by altitude, temperature and, in drier areas, leaf moisture. Koalas naturally inhabit a range of temperate, sub-tropical and tropical forest, woodland and semi-arid communities dominated by Eucalyptus trees.

While Koalas have been observed sitting in or eating up to 120 species of eucalypt, the diet of individual Koalas is usually limited to obtaining most of their nutrition from one or a few species present at a site. Koalas may, at times, supplement its diet with other species, including Leptospermum and Melaleuca. Because their eucalypt diet has limited nutritional and caloric content, koalas are largely sedentary and sleep up to 20 hours a day. 



The koala is an arboreal herbivorous marsupial native to Australia and its closest living relatives are the wombats. The koala has one of the smallest brains in proportion to body weight of any mammal.

There is only one species of Koala.  Differences in physical features such as fur colour and body size are attributed to different environmental conditions rather than subspecies differentiation. Males are generally larger than females. Koalas from the northern populations are typically smaller and lighter in colour than their counterparts further south. In the north, Koala tends to have shorter, silver-grey fur, whereas in the south it has longer, thicker, brown-grey fur.  



Female Koalas can produce one offspring each year. With births occurring between October and May. The newly-born Koala lives in its mother's pouch for 6–8 months and, after leaving the pouch, remains dependent on the mother, riding on her back. Young Koalas are independent from about 12 months of age. Longevity in the wild is more than 15 years for females and more than 12 years for males. 


  • Habitat loss and fragmentation due to clearance of native vegetation          
  • Mortality due to dog attacks and vehicle strikes 
  • Disease – Chlamydia 
  • Climate change (increased risk of intense fire and more droughts are expected) 

Koalas love & need:


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