Respuesta :
Answer:
Hollow Bones
Explanation:
Being a bird you have to be able to carry yourself while flying, meaning that they need to be light in order to fly. Which is why hollow bones is reasonable answer.
Answer:
Hollow Bones
Explanation:
Being a bird you have to be able to carry yourself while flying, meaning that they need to be light in order to fly. Which is why hollow bones is reasonable answer.