Then in 1986 I read a story about Bill Carrick, a naturalist who had trained a flock of geese to fly behind his motorboat for film work.

• 后来，在1986年，我读了一篇关于博物学家比尔·卡里克的故事。为了拍电影，他训练了一群雁跟在他的汽艇后面飞。