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Koala Bears. Charming and Unique By Lesley Licea. A koala bear is a marsupial, meaning that females give birth to extremely underdeveloped young, which must complete their development in a pouch. The koala's fur is soft and pleasant to the touch. Ears have long white hairs on the tips

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koala bears

Koala Bears

Charming and Unique

By

Lesley Licea

slide2
A koala bear is a marsupial, meaning that females give birth to extremely underdeveloped young, which must complete their development in a pouch.

The koala's fur is soft and pleasant to the touch. Ears have long white hairs on the tips

They range from 27 to 36 inches long and weigh 9 to 20 lbs. Males are larger than females and southern koalas, which have short gray fur, are 30% larger than Northern Koalas, which have long brown fur.

adaptation
Adaptation
  • As Europeans took over the land for agriculture and grazing, koalas had to make a drastic change in their diet.
living relatives
Living relatives
  • The Koala is broadly similar in appearance to the wombat (their closest living relatives, but has a thicker coat, much larger ears and longer limbs.
where do they live
Where do they live?
  • Koalas live in the eucalyptus forests of Eastern and Southern Australia.
food chain
Foodchain
  • Koalas eat eucalypts.
  • Nothing in known to eat koalas.
humans impact
Humans impact
  • European identified the koala as a source of fur to trade, and millions of koalas were shot for their pelts.
  • By 1924 koalas were extinct in South Australia.
  • Public forced governments in all states to declare the koala a 'Protected Species' by the late 1930's.
koalas life cycle
Koalas life cycle
  • Females reach maturity at 2 to 3 years of age, males at 3 to 4 years. If healthy, a female Koala can produce one young each year for about 12 years. Gestation is 35 days. Twins are very rare.
behavior
Behavior
  • the Koala has a very low metabolic rate for a mammal and rests motionless for about 16 to 18 hours a day, sleeping most of that time. Koalas that are disturbed are known to be violent, their teeth and claws capable of causing considerable injury to humans.
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