Why Do Whales Sing?

  The humpback lives in the cold Greenland Sea. This species of whale has the habit of varying its songs annually. It never fails. In fact, cetaceans have always caught our attention because of this singular faculty of emitting sounds, often endowed with harmony and complexity. Other times they’re limited to using simple bursts of clicks or high-frequency whistles. Why do they do it? Why do they emit these songs? As a matter of fact, marine mammals, such as whales, dolphins, and porpoises, depend much more on sound than we do for survival. After all, in the aquatic environment, sight…