Koala (Phascolarctos cinereus) Average Weight: females - 5-8kg, males - 6-12kg Grouping: predominantly solitary with complex social hierarchies based on a dominant male with territory that overlaps several females and sub-ordinate males on the periphery Range: Australia - NE Queensland to Eyre Peninsula in the south Habitat: temperate, sub-tropical and tropical forests, woodlands, and semi-arid eucalypt areas Population: fewer than 80,000 in the wild, may be as few as 43,000