There is only one main species of koala (Phascolarctus Cinereus), and some disagreement about whether there are two or three sub-species, or indeed, whether there are any sub-species at all.
According to the Australian Koala Foundation, the generally accepted sub-species are:
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Koalas feed in the canopy of specific types of Australian Eucalyptus trees.
No. Koalas do not sleep with other animals. They have very little contact with other species.
Koalas need others of their own species for a population to thrive, not only for obvious reproductive reasons, but because they do require the company of other koalas.
Koalas will not eat anything poisonous. They only eat certain types of eucalyptus leaves and blossoms, none of which are poisonous to koalas although they are toxic to many other animal species.
Koalas in South Australia eat what koalas elsewhere in Australia eat. Koalas eat from specific types s of eucalyptus, feeding on just 14 species as their primary food source, specifically, the subgenus Symphyomyrphus.
No. Koalas eat eucalyptus and live in those and other trees. Koalas are in danger from humans cutting down trees. No trees, no koalas.
Koalas must live in eucalyptus bushland because they rely on eucalyptus trees for both their food and their shelter. Koalas are specially adapted for consuming eucalyptus leaves, and they cannot survive on any other type of vegetation.
Koalas are made of the same biological parts as most other mammals.
No. Koalas do not eat any animal proteins. They are purely herbivorous.
Koalas are not particularly sociable, and do not tend to be friends with any other animals.
No. Koalas are herbivorous, living entirely on gum leaves (eucalyptus).