March 1st, Minn. I heard the sound of geese and I three, but two of them were pure white. I've never seen white geese where I live, neither any large white birds like swans or such. Any ideas?

White geese?  They do exist and they are mean as all get out  White geese are common in my area but usually as cultivated as livestock, not in the wild.  They are big and very aggressive and they can hurt so stay away from them  Unlike the more common Canafian geese, white geese will chase you