Geese were more or less extinct from New York in the early 1900s and birds were shipped in to rebuild the population. But oddly enough, New York City does not have a relocation system for nuisance geese. In other words, geese check in but they don't check out of the Big Apple. Also, the geese were thought to be fulltime residents of the park, living on breadcrumbs and enjoying the easy city life. Because of this, there was really no chance for hunters to pick them off as they migrated later in the year.