The chirps of individual species are identifiably different and researchers had previously wondered if ecosystems might be monitored by listening to how the sounds of their crickets change over time.

各个物种的鸣叫声明显不同，研究人员之前曾想知道是否可以通过聆听蟋蟀的叫声如何随时间变化来监测生态系统。