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Lots of animals communicate with each other, from tiny mice to enormous whales. But none of those forms of communication share all but a small fraction of the richness of human language. Still, finding new examples of complex communications can tell us things about the evolution of language and what cognitive capabilities are needed for it.

On Monday, researchers report what may be the first instance of a human-like language ability in another species. They report that elephants refer to each other by individual names, and the elephant being referred to recognizes when it’s being mentioned. The work could be replicated with a larger population and number of calls, but the finding is consistent with what we know about the sophisticated social interactions of these creatures.

What’s in a name?

We use names to refer to each other so often that it’s possible to forget just how involved their use is. We recognize formal and informal names that refer to the same individual, even though those names often have nothing to do with the features or history of that person. We easily handle hundreds of names, including those of people we haven’t interacted with in decades. And we do this in parallel with the names of thousands of places, products, items, and so on.

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