What about a shorebird like the red knot, which is not federally listed but is in steep decline from the overharvesting of its predominant food source, horseshoe crabs?

• 像红鹬这类的滨鸟呢？它没有列入联邦的保护名单，但由于主要食物资源鲎被过度捕捞，它的数量在急剧下降。