Researchers have found that elephants use unique vocalizations, akin to individual names, to call out to each other. This behavior sets elephants apart from other non-human animals, like dolphins and parrots, who use imitation rather than invention for their calls.
The study, published in the journal Nature Ecology & Evolution, was conducted by an international team that employed artificial intelligence to analyze the calls of two wild herds of African savanna elephants in Kenya. The researchers, led by Michael Pardo from Colorado State University, revealed that elephants not only use specific vocalizations for each individual but can also recognize when a call is directed at them, even outside its original context.
Between 1986 and 2022, the team recorded elephant “rumbles” at Kenya’s Samburu National Reserve and Amboseli National Park. They identified 469 distinct calls, with 101 elephants making a call and 117 receiving one. These vocalizations varied from loud trumpets to low-frequency rumbles inaudible to humans. Notably, names were often called over long distances, predominantly by adults addressing young elephants, indicating that learning to use these names might take years.
The study found that when an elephant heard a recording of its name called by a friend or family member, it responded positively and energetically. In contrast, the elephant showed less enthusiasm when hearing the names of others. This behavior underscores the elephants’ sophisticated social interactions and their ability for abstract thought, a trait previously thought to be exclusive to humans.
Unlike parrots and dolphins, elephants do not merely mimic the calls of others but create arbitrary names, highlighting their cognitive complexity. The research suggests that humans and elephants are unique in their use of non-imitative sounds to label individuals, an ability that may stem from their highly developed brains and rich social structures.
Frank Pope, CEO of Save the Elephants, emphasized the significance of these findings, noting that “elephants use names for one another is likely only the start of the revelations to come.” The researchers have called for further exploration into the evolutionary origins of this naming ability, considering that elephants’ ancestors diverged from primates and cetaceans around 90 million years ago. Despite our differences, humans and elephants share extended family units and complex social lives, pointing to intriguing parallels between the species.

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