Transcription: While humpback whales make sounds year-round, the sounds heard most in their breeding grounds are true songs, rhythmic patterns of sounds that are repeated. Why do humpbacks sing? Songs probably play the same role in courtship and mating as they do for birds, to attract females and challenge rival males. While both male and female humpbacks make sounds, it appears that the males are the ones singing songs. Though many singing positions are possible, the singer usually hovers alone head down at a depth of about 20 meters. Humpback songs typically last between six and 30 minutes. The whale repea ...
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