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Submission + - Dolphin Memories Span at Least 20 Years (sciencemag.org)

sciencehabit writes: A new study reveals that bottlenose dolphins can remember each other’s signature contact whistles—calls that function as names—for more than 20 years, the longest social memory ever recorded for a nonhuman animal. “The ability to remember individuals is thought to be extremely important to the ‘social brain,’ ” says Janet Mann, a marine mammal biologist at Georgetown University in Washington, D.C., who was not involved in the research. Yet, she notes, no one has succeeded in designing a test for this talent in the great apes—our closest kin—let alone in dolphins.
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Dolphin Memories Span at Least 20 Years

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