• 栗頰林鶯(cape may warbler )和灰綠叢森鶯(Tennessee warbler ,圖中呈現領域爭奪行為)等候鳥,可能在遷徙路程中形成龐大的「鳥際網絡」 PHOTOGRAPH BY ROLF NUSSBAUMER/NATURE PICTURE LIBRARY
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  • 栗頰林鶯(cape may warbler )和灰綠叢森鶯(Tennessee warbler ,圖中呈現領域爭奪行為)等候鳥,可能在遷徙路程中形成龐大的「鳥際網絡」 PHOTOGRAPH BY ROLF NUSSBAUMER/NATURE PICTURE LIBRARY

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