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Yukie Chen
Mar 30, 2009 06:06AM
侏儒鳥 (manakin) 求偶時並不用嘴巴發聲,牠們靠著翅膀的磨擦而發聲。這聽起來不像是鳥類啊,反而比較像是螽斯。edumeme.blogspot.com/2009/03/blog-post_29.html
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