英 [ˌmɜːməˈreɪʃən]
低声咕哝
掠鸟群
a low continuous indistinct sound; often accompanied by movement of the lips without the production of articulate speech
同义词： mutter / muttering / murmur / murmuring / mussitation
• 好不好求这段视频《绚丽的鸟群》（Murmuration）的背景音乐 1回答
... susurrant 耳语的 murmuration 嗫语 whispering 窃窃私语 ...
It is ironic that at least one murmuration video went viral, while depicting virality in nature.
Keeping this in mind while watching a murmuration brings a new logic to the swelling, rolling movement exhibited by the flock as flight changes ripple through it.
The science behind murmuration extends the analogy even further.