纳米比亚埃托沙国家公园的雄性大象使用次声波隆隆声来发出象群离开的信号，揭示了复杂的社会结构。 Male elephants in Namibia's Etosha National Park use infrasonic rumbles to signal group departures, revealing complex social structures.

斯坦福大学的研究人员发现，纳米比亚埃托沙国家公园的雄象会使用与雌象类似的次声波隆隆声来发出象群离开水坑的信号。 Researchers at Stanford University discovered male elephants in Namibia's Etosha National Park use infrasonic rumbles, similar to female elephants, to signal group departures from waterholes. 雄性大象会发出“我们走吧”的隆隆声，展现出复杂的声音协调和对幸福至关重要的社会纽带。 Male elephants initiate "let's go" rumbles, revealing sophisticated vocal coordination and essential social bonds for well-being.