Sperm whale clicks could hide a surprisingly complex ‘alphabet’
Science Alert reports: A recent analysis of a sperm whale’s vocalizations suggests variations in ‘clicks’ represent a kind of alphabet that forms the basis of a complex communication system. Members of the conservation initiative Project CETI discovered series of clicks less than 2 seconds in length act as codas – basic units (phonemes) of cetacean speech. The highly social mammals have previously been heard identifying themselves with unique patterns of clicking, but this is the first time a combinatorial and…