Edit: not sure why the downvotes - because factually incorrect opinion or off-topic?I don't live far from here: https://www.christchurchdailyphoto.com/2011/09/29/black-swan...

Edit 2: looked up the metaphor, it really fails when I'm only surrounded by black swans. There are occasional white swans too - I have always presumed swans were migratory like plenty of the water foul over here!