They are eventually weaned around 6 months old , and they leave their mother 's patagium .
The young is born undeveloped and helpless , and it attaches itself to its mother 's belly , in a pouch formed from the mother 's tail membrane .
young are eventually weaned around 6 months old , and young leave young 's mother 's patagium .
The young is born undeveloped and helpless , and it attaches itself to its mother 's belly , in a pouch formed from the mother 's tail membrane .