The Rudy Duck Club, which borders the Salt Lake International Airport in the marshland of the Great Salt Lake, has been using the young pigs for the past five years.

• 据美联社9月5日报道，位于美国大盐湖沼泽地区盐湖国际机场附近的鲁迪鸭俱乐部，借助小猪驱赶来此筑巢的海鸥已经有5年时间了。