How much does a baby koala weigh at birth?
The weight of a koala joey is dependent upon its age. When first
born, a koala joey weighs 0.5 grams. By the time the young koala is
13 weeks old, it weighs an average of 50 grams.
As it grows, its weight naturally increases until, as an adult,
a northern-dwelling male koala weighs up to 9kg (female 7.5kg) and
a southern male koala up to 15 kg (females 9 kg).