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Koala: It is also called the koala bear, and it is classified as a marsupial, lives above trees, and belongs to the phylum Vertebrates. . Length of the koala: The length of the koala ranges between 60-85 centimeters. Koala Weight: Koalas can weigh up to 14 kilograms. Characteristics of the koala: The koala is of strong build, gray in color, and its chest can be pale yellow or lighter than that, and it has a broad face and a round nose of leather, in addition to large ears and small eyes, and the feet are strong with claws Average lifespan of koalas: Lives in the wild at a rate of 10 to 12 years, and a female koala may reach the age of 18 years, and it is believed that the lifespan of males is slightly shorter than that of females types of koala Koalas are classified according to their fur colour, thickness and size. Some of them are as follows: Brown koala: The largest koala in Australia, it is also known as the Victorian koala and the southern koala. It is found mostly in the states of Victoria and South Australia, and has the thickest fur among all other species. Gray koala: The smallest koala in Australia, also called the Queensland koala and northern koala, has the least fur of all koalas. Gray-brown koala: Also called the New South Wales koala, this species is very rare and threatened with extinction. koala behavior Here are a number of koalas' behaviors: The koala's home consists of several trees, and the area is called the koala's home range. A mature male has a sticky, scented gland in the center of his white breast, which he rubs on trees to mark his territory. Koalas communicate with each other through a range of sounds, and their sound is called bellows. Koalas in southern parts of Australia are larger, and their fur is thicker than in northern parts The koala has a sac or what is called a pouch, which opens towards the hind legs, and the female lays in it after birth until it grows up Koalas have poor eyesight and depend on other senses such as hearing and smell. When sensing danger, it can reach speeds of up to 30 kilometers per hour. The koala's digestive system enables it to decompose eucalyptus leaves, without being affected by the toxins in it. koala feeding Here are some points about feeding koalas Koalas eat half a kilogram to one kilogram of leaves per day, depending on their gender, size and where they live. Koalas get moisture from the gum leaves, but in times of drought the leaves may not have the necessary moisture, so they may resort to drinking water. It eats eucalyptus leaves, about 600 species of eucalyptus trees. Eucalyptus trees are low in calories and nutrients, meaning they don't provide koalas with much energy. predators of koalas Koalas live high in trees which makes it a safe place, and they have few predators dingo animal. Big owl. dogs. koala health Diseases may affect the average lifespan of a koala, and the following are some of the diseases that may affect it: chlamydia; It is a bacterial infection of koalas in southeast Queensland that weakens the immune system and can cause blindness and reproductive system diseases that can cause infertility. retroviruses; Which may lead to weakening of the immune system, leukemia, and lymphoma. koala benefits Here are a number of benefits of koalas in the ecosystem: Reduce the likelihood of frequent fires by consuming excess vegetation in eucalyptus forests. Koala droppings nourish the bushes and serve as food for insects and small rodents, especially during the rainy season. There are many other animals that feed on eucalyptus leaves, but they cannot climb to the top, so they feed on the leaves of twigs that koalas dedicate. Part of the food chain, they are prey for carnivores. Koalas contribute to the Australian economy through tourism, as nature is a tourist attraction to visit Australia Other information about koalas reproduction Here are some points related to the reproduction of koalas: [6] Baby cola is known as joey. Young females give birth once a year, and this depends on a number of factors. Older females give birth every two or three years. The young are born 2 centimeters long, blind and hairless, and grow and develop in the mother's pouch. When a baby koala is born, it depends on its senses of smell and touch. It has strong limbs, and once it reaches its mother's pouch, it stays for at least 6-7 months, to get the necessary nutrition. A few weeks before emerging from the pouch, the young are fed on material from the mother; It is a specialized form of its loose and liquid droppings. When he comes out of the pouch he rides on his mother's stomach or back and continues to return to the pouch to get milk. The young leaves his mother after a period of one to three years. The male koala begins mating at the age of two to four years, and the female can mate at the age of two years. adaptive methods Here are some points about koala adaptation methods The koala's five claws help it hold onto tree branches and make it easier to catch food. The koala is adapted to live in eucalyptus forests in the folds of the branches, as its tail is low, its back is curved, and it has a rounded background. On hot days, koalas stay against the trunk and lower, shaded branches, and on cold days they stay away from the trunk where they can absorb heat from the sun. The front incisors of the koala's teeth help cut leaves and branches, and their back teeth help cut leaves into small pieces, and the strong jaw works on Turn the fibrous leaves into a smooth paste in the mouth. Threats facing koalas Forest fires and diseases that may affect the trees on which the koala feeds are among the threats that the koala may face in its environment and living areas: How much sleep does a koala need? Koalas are nocturnal animals, they wake up at night and sleep during the day, and it is possible to sleep part of the night, and move during the day, and the average number of hours of sleep for them ranges between 18-20 hours during the day, and the reason is due to the large number of hours of sleep To that it needs a lot of energy for digestion.