User blog comment:Kogath/Monster Hunter 4 Ultimate for the Nintendo 3DS/@comment-6050823-20150411021839/@comment-25119729-20150411183831

Seeing how there is no information about that the Lao-Shan Lungs we can fight in FU are actually full adult, maybe the giant bones come from a larger Lao-Shan Lung. A Lao this big would truely be a Mountain Dragon.