Other contributors have said "How big is a koala baby when is just born?" is the same question as "How big are baby koalas when they are born?" If you believe that these are not asking the same thing and should be answered differently, click here

How big are baby koalas when they are born?

Answer:
When a koala is born it weighs less than ½ of a gram and is about the size of a jelly bean.
First answer by ID1318153922. Last edit by On the Wallaby. Contributor trust: 2763 [recommend contributor recommended]. Question popularity: 5 [recommend question].