AP - Jerry Heinrichs says that because of the long-running drought across the West, his cattle had to compete with prairie dogs for the grass. And the prairie dogs won.{br}{br}View the Entire Article (http://us.rd.yahoo.com/dailynews/rss/science/*http://story.news.yahoo.com/news?tmpl=story2&u=/ap/20050216/ap_on_sc/prairie_dogs){br}