It doesn't need one. The koala has extra padding on its backside to enable it to sit comfortably in the forks of trees. A tail would only get in its way.
Koalas don't have tails
Koalas do not have external tails at all.
Aircraft have to balance. They cannot be nose heavy or tail heavy.
Koalas stay in their eucalyptus trees. Their thick fur is partially waterproof, although it does not protect them in a particularly heavy downpour.
Because apes body weight is to heavy for a tail
Winters in australia are quite mild, they dont need one
A koala does not have an external tail. At most, remnants of a tail can be seen in its skeleton, but there is no part of a tail visible. This is similar to a wombat, its closest relative, in which no external tail is visible either.
Because they are less heavy than adult opossums, so the tail can support their weight.
if you are reading this you suck
They have 4 legs and their tail helps them.
Adult koalas are simply called koalas.