I can echo your impressions. I just got back from a long weekend at the Lower Klamath National Wildlife Refuge. My focus was Bald Eagles, but the Snow (and other) Geese were impossible to ignore. I love your photos. I've tried to take photos like them (as well as similar ones of "billions" of terns at Bolsa Chica), but it seems like mine are always inadequate to really show what its like to be there.