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Koalas are an iconic species native to Australia, known for their distinctive appearance and arboreal lifestyle. They belong to the family Phascolarctidae within the order Diprotodontia, which includes other marsupials such as kangaroos and wallabies. As primates, koalas have a highly specialized diet consisting almost entirely of eucalyptus leaves, which they meticulously select for nutritional content. This unique diet, along with their relatively low energy requirements, allows them to conserve energy and spend much of their time resting in trees. Koalas are typically solitary animals, with individual home ranges that overlap with those of other koalas. They communicate through a variety of vocalizations, as well as scent marking using glands located on their chest and behind their ears. Reproduction occurs once per year, with females giving birth to a single joey after a gestation period of approximately 35 days. The joey will then spend several months developing in its mother's pouch before emerging and beginning to explore the world on its own. In the wild, koalas face numerous threats to their survival, including habitat loss due to urban development and climate change, as well as disease and predation by introduced species such as dogs and foxes. As a result, conservation efforts are essential to ensure the long-term survival of this iconic species.