这既是一个励志故事，又是一篇科学童话，告诉孩子雁群远飞为什么要排成人字形，以及头雁的作用。这类故事需要妈妈和孩子多一点交流，让他们对科学知识产生兴趣，以后自己去进行探索。

This is not only an inspirational story but also a scientific fairy tale, explaining to children why a flock of geese fly in a V formation and the role of the lead goose. Stories like these require a bit more communication between mothers and children, fostering their interest in scientific knowledge, encouraging them to explore on their own in the future.