日期:
来源:雅诚德英语网
The evidence suggests that warblers use their extremely elaborate songs primarily to attract females, clearly confirming the effect of intersexual selection on the evolution of birdsong.
证据表明,莺主要用它们极其精致的歌声吸引雌性,这清楚地证实了雌雄间选择对鸟类鸣叫进化的影响。