Koalas are marsupials that are endemic to Australia and are famous for their tree-dwelling nature and cute appearance. Synonyms for koalas include native bear, koala bear, or simply koala. Koalas are herbivores that primarily eat eucalyptus leaves and are known for their unique vocalizations, including grunts, snores, and screams. They are an important symbol of Australian wildlife and are also regarded as a vulnerable species due to habitat loss and wildfires. Other related words that can be associated with koalas include marsupials, wildlife, conservation, and biodiversity. Despite their placid exterior, koalas can be surprisingly territorial and aggressive towards each other, especially during breeding season.