And whenever we were doing seet call playbacks to the yellow warblers, the red-winged blackbirds kept showing up.
只要我们给黄莺播放seet叫声,红翅黑鹂就会出现。
And they respond to the seet calls the same way they do to the sounds of cowbirds themselves.
听到seet叫声后,它们的反应与听到棕头牛鹂叫声时一样。
Yellow warblers, for example, produce a certain type of call to warn other warblers about nearby cowbirds. Researchers call it a " seet" call.
比如,黄莺会发出某种叫声,提醒同类周围有棕头牛鹂。研究人员称之为“see”叫声。
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