Although the scientific focus so far has been on vegetation, the wolf seems to have an incredibly long reach into other parts of the Yellowstone food web as well.

• 虽然目前为止，科学研究的焦点都在植被上，但灰狼对黄石公园其他的食物网似乎也有不可思议的影响，其中影响最剧的是草原狼。