Bar-headed Goose

By contrast , the bar-headed goose reaches such lofty heights by flapping vigorously , if not gracefully .

相反地，斑头雁却是依靠奋力扇动翅膀飞到如此高度的，虽然其姿态并不怎么优雅。

Livestock grazing and tourism were the major reasons resulting in contact between Bar-headed Goose and human .

放牧和旅游是斑头雁与人接触的主要原因。青海湖斑头雁和人的接触强度在空间和时间上均差异显著。