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African elephants address one another with name-like calls − similar to humans
African elephants appear to address one another with name-like calls. Researchers in Kenya recorded deep rumbles from wild elephants and trained a machine learning model to predict each call's intended recipient, which it did for 27.5 percent of calls, well above chance. Calls to the same recipient were more similar to each other than calls to different individuals. When researchers played elephants a recording of a call originally meant for them, the animals approached the speaker sooner and vocalised more than when the call was meant for someone else. Unlike dolphins and parrots, elephants do not simply copy the recipient's call, which makes their system more like arbitrary human names.
Elephants join dolphins and some parrots as animals that use names, and the finding suggests that learning new vocalisations, a key ingredient of language, may have evolved partly for naming. It also highlights the complexity of elephants' social bonds.
Bottlenose dolphins are among the few other animals known to address each other with individual names.
background
Elephants are the largest living land animals. Three living species are currently recognised: the African bush elephant (Loxodonta africana), the African forest elephant (L. cyclotis), and the Asian elephant (Elephas maximus). They are the only surviving members of the family Elephantidae and the order Proboscidea; extinct relatives include mammoths and mastodons. Distinctive features of elephants include a long proboscis called a trunk, tusks, large ear flaps, pillar-like legs, and tough but sensitive grey skin. The trunk is prehensile, bringing food and water to the mouth and grasping objects. Tusks, which are derived from the incisor teeth, serve both as weapons and as tools for moving objects and digging. The large ear flaps assist in maintaining a constant body temperature as well as in communication. African elephants have larger ears and concave backs, whereas Asian elephants have smaller ears and convex or level backs.
From Wikipedia: Elephant (CC BY-SA 4.0) ↗The Conversation
Illustrative photo · Diego Delso, CC BY-SA 4.0, via Wikimedia Commons
