This is Scientific American's 60-second Science, I'm Jason Goldman.
这里是科学美国人——60秒科学系列，我是杰森·古德曼。
Got a minute?
有一分钟时间吗?
Rhinos have notoriously poor eyesight, so they mostly rely on their noses to understand the world around them.
众所周知，犀牛的视力非常差，所以它们主要依靠鼻子来了解周围的世界。
But there's one interaction in which sound plays a key role.
但有一种声音发挥关键作用的互动。
Southern white rhino males can either be dominant or subordinate. And only the dominant males hold and defend territories.
雄性南方白犀牛可以是主导者，也可以是从属者。只有主导雄性才能守卫和保卫领土。
New research finds that they eavesdrop on the calls of other males to know who is who.
一项新研究发现，它们通过偷听其它雄性的声音来了解谁是谁。
"We found that contact calls carry information about the dominance status of the males.
“我们发现，联系叫声携带着有关雄性主导身份的信息。
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