Using a professional your group, you are going to have professional test how many decoys are needed to get the interest of their larger flocks of snow geese migrating north and exactly what sort . Snow geese are hugely suspicious and cautious, so that you have to have a spread of around 1000 to 1500 decoys since they fly in huge numbers, Read this for more information about: https://www.showmesnowgeese.com/