We do a fair amount of goose hunting on some river systems around the area. When the ice starts coming in their always seems to be open spots on the river. We usually don't hunt them at night, just during late monring-midday when they come back from feeding to loaf. Otherwise we find fields close to these areas on the river where the most geese are concentrated. During the cold late season geese only seem to fly as far as they need to feed. Thats at least most the time. Put out a HUGE spread otherwise in their route to feed and try ton convince them.