Difference between revisions of "Koala"

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[[Image:Koala-cub.jpg|right|250px|thumb|A koala with her cub.]]
 
[[Image:Koala-cub.jpg|right|250px|thumb|A koala with her cub.]]
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The '''Koala''' ''(Phascolarctos cinereus'') is an arboreal (tree-dwelling) [[herbivore|herbivorous]] animal native to [[Australia]], feeding exclusively on the leaves of the [[Eucalyptus]] tree, and the only known member of the family Phascolarctidae. This animal sleeps about 20 hours a day so it is rarely awake at all. It is not in fact a real bear at all, but rather a [[marsupial]], which means it raises its young in a pouch on its belly.
 
  
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The Koala is found all along the eastern coast of Australia from near Adelaide to the southern part of Cape York Peninsula, and as far from the coast as there is enough rainfall to support suitable forests. The Koalas of South Australia were largely exterminated during the early part of the 20th century, but the state has since been repopulated with Victorian stock. The Koala is not found in [[Tasmania]] or [[Western Australia]].
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The '''Koala''' ''(Phascolarctos cinereus'') is an arboreal (tree-dwelling) [[herbivore|herbivorous]] animal native to [[Australia]], feeding almost exclusively on the leaves of the [[Eucalyptus]] tree, and the only known member of the family Phascolarctidae. This animal sleeps about 18 hours a day so it is rarely awake at all.
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Although sometimes referred to as a koala bear, it is not a bear at all, but rather a [[marsupial]], which means it raises its young in a pouch on its belly.
  
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===Origins===
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== Distribution ==
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Koalas are correctly said to be indigenous to the [[Middle East]], as are all terrestrial animals. Australia became their adopted home to which koalas journeyed after the original two were released from [[Noah's Ark]] at the conclusion of the [[Great Flood]]. Most creationists believe that these ancient Koalas were considerably hardier, faster, and far less fastidious in their diet than their modern descendants, which have degenerated into sleepy, gum-leaf chewing opiate addicts as a result of human sinfulness. The virile, proactive Koala of Biblical times would have been far better endowed physically and emotionally to undertake the epic journey across the world from Mt Ararat to Australia. Initially, koalas arriving from the middle east set up kebab shops in western Sydney, but over time have inhabited most of the east of the continent.  As original Australian fauna consist almost entirely of marsupials, it is likely that bands of marsupials undertook this journey together. Indeed, the Koala may have been carried by the Kangaroos in their pouches, along with other small marsupials for much of this time. The koalas then used the kangaroos to make the kebabs.  
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The koala is found all along the eastern coast of Australia from near [[Adelaide]] to the southern part of [[Cape York Peninsula]], and as far from the coast as there is enough rainfall to support suitable forests. The koalas of [[South Australia]] were largely exterminated during the early part of the 20th century, but the state has since been repopulated with [[Victoria]]n stock. The koala is not found in [[Tasmania]] or [[Western Australia]].
  
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== The pouch ==
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The pouch of the koala, unlike those of [[kangaroo]]s and [[possum]]s, but like those of [[wombat]]s and the extinct [[Tasmanian tiger]], faces to the rear, i.e., downward.  And as the mother is unable to lick the pouch clean in readiness for a new fetus, as the kangaroo does, it has a remarkable self-cleaning mechanism.<ref>Catchpoole, David, [http://www.creationontheweb.com/content/view/4892/ Practical Pouches] 13th March, 2007 (Creation Ministries International).</ref>
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== Diet ==
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The koala feeds almost exclusively on the leaves of selected species of the eucalyptus (Australian gum) tree. Its diet affects many of its characteristics.
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The eucalyptus leaf contains most of the water that the koala needs. It is commonly claimed that this attribute gave the animal its name, supposedly from an [[Aborigine|Aboriginal]] word meaning "no drink".<ref>http://www.thekoala.com/koala</ref>
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The eucalyptus is unpalatable to other animals because of its high [[phenol]] and terpene content. The Koala's digestive system is especially designed or adapted to detoxify the poisonous chemicals in the leaves.
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Besides being poisonous, Eucalyptus leaves are also fibrous and low in nutrition. To deal with this, koalas possess a very slow metabolic rate which allows them to keep food in their digestive system longer, thus maximising the amount of energy they can extract from it. At the same time, their slow metabolic rate reduces their energy requirements. Koalas will sleep for up to 18 hours per day in order to conserve energy.<ref>http://www.thekoala.com/koala/#HABITAT</ref>
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==External links==
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*[http://www.thekoala.com/koala/ Information on Koalas]
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== References ==
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{{reflist}}
  
 
[[Category:Marsupials]]
 
[[Category:Marsupials]]
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[[Category:Australia]]

Latest revision as of 17:38, March 15, 2017

A koala with her cub.

The Koala (Phascolarctos cinereus) is an arboreal (tree-dwelling) herbivorous animal native to Australia, feeding almost exclusively on the leaves of the Eucalyptus tree, and the only known member of the family Phascolarctidae. This animal sleeps about 18 hours a day so it is rarely awake at all. Although sometimes referred to as a koala bear, it is not a bear at all, but rather a marsupial, which means it raises its young in a pouch on its belly.

Distribution

The koala is found all along the eastern coast of Australia from near Adelaide to the southern part of Cape York Peninsula, and as far from the coast as there is enough rainfall to support suitable forests. The koalas of South Australia were largely exterminated during the early part of the 20th century, but the state has since been repopulated with Victorian stock. The koala is not found in Tasmania or Western Australia.

The pouch

The pouch of the koala, unlike those of kangaroos and possums, but like those of wombats and the extinct Tasmanian tiger, faces to the rear, i.e., downward. And as the mother is unable to lick the pouch clean in readiness for a new fetus, as the kangaroo does, it has a remarkable self-cleaning mechanism.[1]

Diet

The koala feeds almost exclusively on the leaves of selected species of the eucalyptus (Australian gum) tree. Its diet affects many of its characteristics.

The eucalyptus leaf contains most of the water that the koala needs. It is commonly claimed that this attribute gave the animal its name, supposedly from an Aboriginal word meaning "no drink".[2]

The eucalyptus is unpalatable to other animals because of its high phenol and terpene content. The Koala's digestive system is especially designed or adapted to detoxify the poisonous chemicals in the leaves.

Besides being poisonous, Eucalyptus leaves are also fibrous and low in nutrition. To deal with this, koalas possess a very slow metabolic rate which allows them to keep food in their digestive system longer, thus maximising the amount of energy they can extract from it. At the same time, their slow metabolic rate reduces their energy requirements. Koalas will sleep for up to 18 hours per day in order to conserve energy.[3]

External links

References

  1. ↑ Catchpoole, David, Practical Pouches 13th March, 2007 (Creation Ministries International).
  2. ↑ http://www.thekoala.com/koala
  3. ↑ http://www.thekoala.com/koala/#HABITAT
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