what size range is a koala bear
Species: cinereus. Size and weight: Koalas average 27-36 in (70 to 90cm) in length and weigh anywhere from 9 to 20 lbs (4-9 kg). Females tend to be both slightly smaller and slightly less heavy than males.Southern koalas are approximately 30% larger than their northern counterparts.ize and weight: Koalas average 27-36 in (70 to 90cm) in length and weigh anywhere from 9 to 20 lbs (4-9 kg). Females tend to be both slightly smaller and slightly less heavy than males.