Some say they used to live in the windbreak by the sea but the gales, which wreak havoc with the windbreaks, forced them to fly inland. The residents around Wannien Bridge say that they simply followed the night herons that settled in the woods a few months before.
有人說，這些鷺鷥原來棲息在斗六海邊的防風林，防風林被大風吹倒了，牠們才往裡遷移；萬年橋旁的居民則說，這片銀合歡林早幾個月前就有「暗光鳥」夜鷺來定居，白鷺鷥是這些夜鷺帶來的。「每天下午『暗光鳥』還會飛到海邊趕牠們回來呢！」