translation.en: To my knowledge, this is the first time that we've been able to track the ongoing evolution of collective behavior in a natural population of animals and find out what's actually working best.
translation.zh: 就我所知，这还是第一次 我们人类能够追踪到 自然界中野生生物群体的 集体行为进化 以及找到最适合环境的生存方式.