How big can a Koala grow to?

Koalas in the north of Australia are the same species, yet tend to be smaller than those in the southern regions of Australia.

An adult koala from Australia's northern regions can grow to a length of 740 mm and 9 kg in weight for males, and 720 mm and 7.25 kg for females.

Southern koalas may grow to 820 mm and 15 kg for males, and 730 mm and 11 kg for females.