在美國,艾草松雞屬地區性瀕危的物種,因數量大跌美國魚類和野生動物服務署正考慮會否列入瀕危物種。若決定列入,大量的開發計劃將會停止,對牠們所棲息的十一個洲帶來極大的經濟損失,估價每年會損失56憶。
greater sage-grouse is regionally endangered in America. the U.S. Fish and Wildlife Service is going to decide whether to add the greater sage-grouse to the endangered species list. declaring them as endangered would shut down many huge plans for land uses in the 11 states these birds inhabits, and would lead to $5.6 billion of economic output annually.
http://www.nbcnews.com/news/us-news/5-6-billion-bird-why-u-s-needs-greater-sage-n424311