Despite humans and whales being separated by millions of years of evolution, our vocalizations follow the same principle outlined in Zipf's law

The sounds that make up humpback whale songs follow some of the same statistical rules seen in human languages, which may be because of how they are learned

Language has long been considered a uniquely human trait, with features that mark it out as distinct from the communication of all other species. However, research published in Science has uncovered the same statistical structure that is a hallmark of human language in humpback whale song.