进入生物学家们视野的这种鸟名叫黑头莺，欧洲常见的一种鸣鸟。
The birds in this study were Central European blackcaps, a common kind of warbler.
听音乐录音，例如：海浪拍击声或一种鸣鸟的叫声，这能帮你放松。
Try listening to music recordings, such as a pounding surf or songbirds, to help you relax.
鹎一种雀形目鸟类，主要指东半球热带的鹎科的鸣鸟，有灰色的或褐色的羽衣。
Any of various passerine chiefly tropical old world songbirds of the family pycnonotidae having grayish or brownish plumage.
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