The male riflebird exploits both of these modes of signaling simultaneously in his courtship display.

雄性雷射鸟在求爱时会同时利用这两种信号模式。

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The male riflebird exploits both of these modes of signaling simultaneously in his courtship display.

雄性雷射鸟在求爱时会同时利用这两种信号模式。

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