Generations of choosy females have driven the evolution of these remarkable displays. 一代代追求异性的动力 促使他们进化出了不平凡的外表
The females may be dull looking but they're very picky 雌鸟满是怀疑地看着它因为她非常挑剔
but he can't assume the females will actually turn up. 但却没有看到雌驴的出现
The males are fighting to win territories. Those that hold the best are more likely to attract a herd of females. 雄驴在争夺领地 最有实力的也最有可能得到雌驴的青睐
The females are returning and their bellies are full with fish. 雌企鹅们回来了,吃了一肚子的鱼回来了
the exhausted females now return to the ocean on their own, 精疲力竭的雌企鹅们独自返回海洋
The females no longer have the energy to incubate. 雌企鹅再也没有孵蛋的力气
His rank earns him the loyalty of a harem of females 它的地位为它赢得了一群忠诚的母羊
and flaunt them to their attending females. 然后向自己的“心上人”炫耀