How many pin-tailed whydahs tails?

天人鳥の長い尾の最大数は幾つ?自分は4本だと思ってたんだけど、でも・・・How many pin-tailed whydahs tails?I haven't seen the five tails with my own eyes, but just recently, there are still four, even though one long tail has fallen…

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