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Koala happy to sit in Eucalypt tree by EdsMum
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Some interesting facts about Koalas for those who are interested

*Koalas are not bears. They are not placental or ‘eutherian’ mammals, but MARSUPIALS, which means that their young are born immature & they develop further in the safety of a pouch. It’s incorrect to call them ‘koala bears’ – their correct name is simply ‘koalas’.Koalas have 5 digits on each front paw, two of which are opposed to the others, much like our thumbs are able to be moved differently from the fingers. This helps them to hold firmly onto the branches and to grip their food. The 2nd and 3rd digits on their hind paws are fused together to form a grooming claw.Koalas are mostly nocturnal. Nocturnal animals are awake at night and asleep during the day. Koalas, however, sleep for part of the night and also sometimes move about in the daytime. They often sleep for up to 18-20 hours each day.There is a myth that koalas sleep a lot because they ‘get drunk’ on gumleaves. Fortunately, this is not correct! Most of their time is spent sleeping because it requires a lot of energy to digest their toxic, fibrous, low-nutrition diet and sleeping is the best way to conserve energyKoalas in the southern parts of Australia are considerably larger and have thicker fur than those in the north. This is thought to be an adaptation to keep them warm in the colder southern winters.Each koala’s ‘home’ is made up of several trees called HOME TREES. They visit these same trees regularly. The area covered by these trees is called the koala’s HOME RANGE. Each koala has its own home range, which overlaps those of other koalas but except for breeding purposes, they do normally not visit another koala’s home trees. The size of each home range depends upon a range of factors including the quality of the habitat and the sex, age and social position in the population of the koala.A mature male has a dark scent gland in the centre of his white chest which exudes a dark, sticky substance. He rubs this on his trees to indicate to other koalas that this is his territory.Koalas also communicate with each other by making a range of noises. The most startling and unexpected of these in such a seemingly gentle animal is a sound like a loud snore and then a belch, known as a ‘bellowEYounger breeding females usually give birth to one joey each year, depending on a range of factors. However, not all females in a wild population will breed each year. Some, especially older females, will produce offspring only every two or three years.Koala young are known as ‘joeys’. Scientists often refer to them using terms like ‘juveniles’, ‘pouch young’ and ‘back young’.When the joey is born, it’s only about 2 centimetres long, is blind and furless and its ears are not yet developed. On its amazing journey to the pouch, it relies on its well-developed senses of smell and touch, its strong forelimbs and claws, and an inborn sense of direction. Once in the pouch, it attaches itself to one of the two teats which swells in its mouth, preventing it from being dislodged from its source of food.The joey stays in its mother’s pouch for about 6 or 7 months, drinking only milk. Before it can tolerate gum leaves, which are toxic for most mammals, the joey must feed on a substance called ‘pap’ which is a specialised form of the mother’s droppings that is soft and runny. This allows the mother to pass on to the joey special micro-organisms from her intestine which are necessary for it to be able to digest the gumleaves. It feeds on this for a period of up to a few weeks, just prior to it coming out of the pouch at about 6 or 7 months of age.After venturing out of the pouch, the joey rides on its mother’s abdomen or back, although it continues to return to her pouch for milk until it is too big to fit inside. The joey leaves its mother’s home range between 1 and 3 years old, depending on when the mother has her next joey.Female koalas are fully mature by about 2 years of age and males by their third or fourth year. By this time they need to have found their own home range, either in a home range left vacant by a dead koala or in a new area of the forest. This is one reason why koalas need quite large areas of habitat.Koalas do not live in rainforests or desert areas. They live in the tall Eucalypt forests and low Eucalypt woodlands of mainland eastern Australia and on some islands off the southern and eastern coasts. Queensland, NSW, Victoria and South Australia are the only states where koalas are found naturally in the wild.There are well over 600 varieties of Eucalypts. Koalas eat only some of these. They are very fussy eaters and have strong preferences for different types of gum leaves. Within a particular area, as few as one, and generally no more than two or three species of Eucalypt will be regularly browsed (we call these ‘primary browse trees’) while a variety of other species, including some non Eucalypts, appear to be browsed occasionally or used for just sitting or sleeping in.Different species of Eucalypts grow in different parts of Australia, so a koala in Victoria would have a very different diet from one in Queensland.A forest can only have a certain number of koalas living in it. This is called the forest’s ‘carrying capacity’. Like pasture for sheep, the available gumtrees can only feed a certain number of koalas.An adult koala eats about half a kilogram to one kilogram of leaves each night, depending on many factors, including the size and sex of the koala and where the koala lives.Koalas have an unusual fibre-digesting organ called a caecum. Other mammals, including humans, also have a caecum, but the koala’s is very long (200 cms) and it has a blind end. It contains millions of bacteria which break down the fibre into substances which are easier to absorb. Even so, the koala is still only able to absorb 25 per cent of fibre eaten, hence their need to eat large amounts of leaves.Koalas don’t normally need to drink as they get all the moisture they need from the gum leaves. However, they can drink if necessary, such as in times of drought when the leaves may not contain sufficient moisture.Chlamydia is an organism which lives in the body tissues of most healthy koalas. In normal populations, we believe that chlamydia may act as an inbuilt control mechanism to limit the population so that the trees are not over browsed, ensuring that only the strongest and fittest animals survive to breed.Chlamydia can also sometimes make the koalas sick but usually only when they get stressed, such as when their habitat is destroyed and, as a result, they have to cope with the dangers of cars, dogs and lack of food.HABITAT LOSS IS THE GREATEST PROBLEM FACING KOALAS. The main reasons for this are land clearing, bush fires and diseases of the Eucalypts, like ‘die-back’ which cause the trees to die.The Australian Koala Foundation estimates that as a result of the loss of their habitat, around 4,000 koalas are killed each year by dogs and cars alone.Australia has one of the highest land clearing rates in the world. 80% of koala habitat has already disappeared.Although koalas themselves are protected by law, around eighty percent of any remaining habitat occurs on privately owned land and almost none of that is protected by legislation.The Australian Koala Foundation (AKF) believes that the Australian Government should be responsible for the protection of koala habitat on private land and not leave it up to the present piece-meal approach of each state being responsible.That is why the AKF has submitted a nomination to the Australian Government to list the koala as ‘Vulnerable’ over its entire natural range. This would be a vital step in ultimately achieving a National Koala Act, which, if passed, would be the first species-specific legislation in Australia. Click here to send an email or letter to the Federal Minister for the Environment in support of our nomination.The AKF estimates that there are likely to be less than 80,000 koalas remaining in Australia today and it could be as low as 43, 000. Much of their habitat has already been lost. This makes it vitally important to save what is left.

While koalas can be seen in many zoos, don’t you think it would be very sad if there were none left in the wild? This may happen if we continue to allow their habitat to be destroyed at the present rate.
About Koalas

Koala in Danger?Education ResourcesHomeInteresting FactsHistoryDistributionTaxonomyPhysical CharacteristicsLife CycleDiet & DigestionBehaviour & SocialisingHabitatTrees for KoalasThreatsKoalas & DogsDisease & InjuriesEndangered?Living with KoalasOrder a Living with Koalas BrochureFAQ’sKoalas for KidsPhotos and VideosWhere to see KoalasYou Can Help

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My Life has been interesting, always active in sports – Golf, Swimming & horses, now I have a camera, I wish I had found photography a lot earlier than I did, wonderful things you see through the lens a whole new life has opened the door to me. Make the most of each day, for you live it only once. Thank you to all who will visit my site & leave comments. I wish you all a beautiful day…..Shirley – 87 going on a 100

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Comments

  • Vitta
    Vittaover 1 year ago

    BEAUTIFUL PORTRAIT!!!!!!!

  • Vitta, thank you so much for your lovely comment and fave, both are much appreciated. Shirley

    – EdsMum

  • missmoneypenny
    missmoneypennyover 1 year ago

    Awh – he looks so comfortable and relaxed

  • Chris, many thanks for coming by….I could get a toy one and send if you would like one. Shirley

    – EdsMum

  • Gabrielle  Lees
    Gabrielle Leesover 1 year ago

    Awwh so cute! Yes there is also a Koala challenge on at the moment, please enter this!

    Gabe :)

  • Think I have already done it… Shirley

    – EdsMum

  • AnnDixon
    AnnDixonover 1 year ago

    Natures Paintbrush Group
    Beautiful Work Shirley, I love these animals, was it taken at Melbourne Zoo ?
    I was there in 1995 and was lucky enough to be able to see one,
    hugs Ann xoxox
    .

  • Thank you for the welcome Ann, and the picture was taken at the Grampians National Park 4 hr. drive west of Melbourne. They are cute but think nothing of peeing on you …Shirley

    – EdsMum

  • jeanlphotos
    jeanlphotosover 1 year ago

    Super shot Shirely. I have seen one but only at the Zoo WAS this at a zoo?

  • Hello Jean, taken in the Grampians National Park, Vic. Thanks for coming by Jean…hugs Shirley

    – EdsMum

  • Susie Peek
    Susie Peekover 1 year ago

    Terrific capture and info Shirley ~ it always makes me sad (and mad) when I read of the decline of such beautiful creatures due to loss of habitat ~ wish people would be more forward thinking so they don’t get to a vulnerable state in the first place!

  • Thank you so much for reading the information, a lot of people think they are so cute and cuddly and never bother to find out anything about them, they are indeed endangered if the Government doesn’t stop the land owners cutting trees down.

    I lived on a 40 acre hobby farm and had regular visits from a koala just for one tree, they ate it to nothing and would be back when the new shoots started, so they are not dumb. Most of the area where I used to live planted trees suitable and made a Koala trail from one farm to another, so we were doing our bit…Thanks so much Susie for coming by. Shirley

    – EdsMum

  • paintingsheep
    paintingsheepover 1 year ago

    Very lovely view!

  • They looks so cuddly but can be quite angry sometimes, sleep most of the day and change trees at night, the male will go searching for his love and makes a loud roar like a Bull, hence he is called a Bull Koala…..

    Hugs, Shirley

    – EdsMum

  • BlueMoonRose
    BlueMoonRoseover 1 year ago

    Ah, bless it! They are such lovely creatures! A favourite for sure.

  • Many thanks Kathryn for your lovely comment and fave, both are much appreciated. Shirley

    – EdsMum

  • Mui-Ling Teh
    Mui-Ling Tehover 1 year ago

    So fluffy and cute!

  • They are just that Mui-Ling Teh but have mighty long and sharp claws if they get upset, Shirley

    – EdsMum

  • rasim1
    rasim1over 1 year ago

    fabulous shot.Love Koalas.

  • Hello Rasim and thank you for your lovely comment. Shirley

    – EdsMum

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