研究人员提供的更多证据表明,狮子的鬃毛只是一种宣扬自己优秀的装饰,目的是吸引雌性的狮子或者震憾雄性的同类。一般鬃毛较长且颜色较深的雄性狮子,其体内营养状况都良好,身体强壮,睾丸激素水平较高,更显成熟。雌性狮子对此类雄狮比较偏爱。雌性狮子的这种 The researchers provide more evidence that the lion’s mane is only a kind of decoration that promotes its own excellence. The aim is to attract female lions or shocking males. Male lions, which are generally long and dark in color, have good nutritional status, are physically strong, have high levels of testosterone, and are more mature. Female lions prefer such lions. This kind of female lion