The youngster refuses to back down. 年轻的骇鸟拒绝退让
The older one can't ignore the threat. 年长的骇鸟不能无视威胁
And the most acute competition comes from one's own kind. 最激烈的竞争来自同类
...has produced the huge diversity that exists today. 产生了现存的巨大的生物多样性
The first rule of life, that the best adapted will win through... 生命的第一条法则适者生存
What's more, the fake eggs produce a sweet nectar that attracts ants... 而且假卵分泌出甜蜜 吸引蚂蚁
...ensuring their young have the best possible start. 确保后代拥有最佳的初始条件