The film was loosely based on the real-life experiences of Bill Lishman, a Canadian inventor, artist, and ultralight aircraft hobbyist. During the late 1980s and early 1990s, Lishman openly wondered if geese and similar birds could be taught new migration patterns by following ultralight aircraft onto which they had been imprinted. In 1993, after several years of logistical and bureaucratic setbacks, Lishman successfully led a flock of Canada Geese on a winter migration from Ontario, Canada to Northern Virginia, U.S.A. Of the 16 birds that participated in the migration, 13 of them returned the following year entirely on their own.
