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Dolphins shown to remember calls of decades-old friends, awkwardly fumble while trying to remember their names

  1. Christopher C Charles

    A new study by Jason Bruck of the University of Chicago suggests that bottlenose dolphins have a social memory that rivals that of humans. Bruck examined 53 bottlenose dolphins from six different facilities to see whether they would recognize the calls of old companions. By observing the behavior of the dolphins, Bruck was able to determine that the dolphins recognize calls from friends they hadn’t heard from—in some cases—for over 20 years.

    The study reinforces the vast cognitive abilities and memory capacity of dolphins but also raises questions as to why dolphins—who often break apart from social groups to form new ones—would need to remember old peers at all.

    Read Bruck’s full article here.

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