Interview with British researcher in Royal Park, he discusses controlling numbers of Canada geese in park, paraffin on eggs, differences between UK and North American geese populations, migration, numbers of birds in Lee Valley Conservation Authority, complaints about geese, geese adaptability to humans and urban life, goose intelligence, preferred nesting sites (gravel pits), why geese in UK do not migrate, goose aggression against public and swans, nesting habits and effect on habitat, intrusions on golf courses.