Koalas are rare animals endemic to Australia. /kloc-after Europeans set foot on this land in the 0/7th century, this naive little animal was once devastated. In the 1920s, Australians began to establish special nature reserves in an attempt to restore the koala population. Now more than 80 years later, koalas thrive on Kangaroo Island in southern Australia. However, many rare plants on this island have suffered losses, which has also changed the fate of koalas there. Kangaroo Island is the third largest island in Australia, covering an area of about 4,500 square kilometers. It faces the Australian mainland across the sea and is a paradise for many wild animals and plants. However, koalas are not indigenous to this island, but are sent here by humans to live and work in peace and contentment. "Although the reproductive capacity of koalas is not high, the number of koalas on Kangaroo Island has unexpectedly increased due to the suitable climate, lush vegetation and no carnivores. This has attracted the attention of many ecologists. Because koalas are very picky eaters, they like to eat eucalyptus and eucalyptus leaves with extremely low calories, which makes them have to eat a lot to survive. Therefore, experts estimate that the vegetation on Kangaroo Island can only support up to 10,000 koalas. In this way, the vegetation can take a breath in the koala's wolfing, regenerate and reproduce, thus maintaining the fragile ecological balance on the island. However, the fact is that many koalas like the vegetation on Kangaroo Island-the rare species in the world-the Mana gum tree has disappeared. Experts believe that the current situation in Kangaroo Island is very critical. Before long, trees may die in pieces. At that time, koalas and other wild animals can't escape the fate of starvation. It is impossible to restore the ecological balance there for hundreds of years. In order to avoid a foreseeable ecological disaster, the nature reserve set up a koala population control working group, whose task is to capture koalas and help them move. It is not a difficult job to catch koalas, because this clumsy little animal always sleeps in the tree, and people can easily find it. Besides, these guys with bad brains and underdeveloped limbs don't know how to escape. The staff only need to put a long pole with a knot on its head, and then shake the colorful flag to drive it down from the tree, and the task of catching koalas is completed. Then, the veterinarian will give koalas physical exercise and give them all kinds of necessary immunizations. At this point, these little guys will be registered in detail and marked with identification marks. After all the work is completed, the koala will be sent to the Australian mainland to be released and start a new life there. At present, more than 4,000 koalas have been successfully relocated. Their departure has given the vegetation on Kangaroo Island a chance to recuperate, and the koala population itself has escaped a disaster. Koalas, which feed on eucalyptus leaves, are thick and short-haired, docile and clumsy, and innocent; Eating and sleeping all day long, even when awake, is a sleepy look, which is very attractive. There was once an article about koala's living habits, saying that koalas who are hungry when they wake up and sleepy when they are full have learned the skills of "opening up sources and reducing expenditure" because eucalyptus leaves do not contain too many nutrients. In order to maintain physical strength, koalas chew a lot every day, and then reduce their activities in the rest of the time and take a nap with the trunk.