In India there is a legend which tells us why the adult Paradise Flycatcher dropped its chestnut colour and adopted a while plumage, still retaining the blue-black head and crest. Similarly, among our villagers there is the popular belief that the Kiri-Hora
is a rare resident, which annually sheds its long tail-streamers and goes into hiding in the heart of the jungle, until a new tail is grown
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http://www.dailynews.lk/2009/04/10/fea10.asp