‘Aural tattoos’: sperm whales use sounds to signal social identity, say scientists

, the paper’s primary author, said the work showed “compelling, quantitative evidence” that identity codas were used in this way by whales. “A clear human analogy,” she said, “is that if you see someone wearing a necklace with a cross on it or a star of David, you know just from looking at that symbol something about a group the person considers themselves to be a member of.”

, published this week, the film-maker Tom Mustill discusses new advances that indicate we might, in the near future, be able to “translate” whale communication, using a complex series of underwater listening systems to concentrate on a specific sperm whale pod and determine exactly how they react, audibly, to different situations, such as changes in weather, food sources, and social behaviour of their pod members.

hopes to provide a comprehensive set of data, from which AI analysis can establish the meaning of the clicks.Ceti will then use whale “chatbots” to predict what the animals will say in certain situations and, in a science-fiction leap, attempt “bidirectional communication” – that is, talk back to the whales.

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