Recent studies have revealed that sea lions, specifically one named Ronan, possess a timing ability that surpasses many humans when it comes to music.
Ronan gained attention over a decade ago when she astonished researchers. Now, new findings indicate her sense of rhythm has not only remained stable but has actually improved.
At her most practiced tempo, she consistently stays within 15 milliseconds of the beat. For perspective, a typical blink occurs roughly every 150 milliseconds.
“Compared to other non-human animals, Ronan shows remarkable accuracy and consistency,” stated Professor Peter Cook, the lead author of the study and comparative neuroscientist at New College, Florida, in BBC Science Focus.
“However, Ronan’s accuracy and consistency have significantly improved over time.”
Cook and his team initially trained Ronan to recognize rhythms in 2012, when she was just three years old. At that point, she was already a record-holding non-human beatkeeper.
Yet, some scientists were skeptical about whether her performance was on par with adult humans. Ronan demonstrated more variability between beats and tended to drift ahead at faster tempos while lagging behind at slower ones—contrary to humans who typically hit just before the beat.
“Most rhythm studies focus on adults who have years of informal rhythmic experience—like dancing or tapping their feet,” Cook explained.
“We evaluated Ronan when she was essentially a juvenile… Now that she’s a mature adult sea lion, how does she compare to humans?”
To explore this, the team asked undergraduate students from the University of California, Santa Cruz, to mimic Ronan’s head bobbing using large, fluid arm movements. Their movements were then compared to Ronan’s performance at three different tempos.
Surprisingly, she outperformed the students in both consistency and accuracy, ranking in the 99th percentile of a model simulating 10,000 individuals performing the same task.
The findings challenge the long-held belief that precise rhythmic synchronization relies on vocal learning, a trait shared by humans and certain birds, but not sea lions.
Additionally, the research implies that rhythmic perception may be deeply embedded in fundamental brain timing mechanisms.
“Rhythms create patterns in time, and the natural world is filled with such patterns,” Cook stated.
“Recognizing these patterns is advantageous for animals as it allows them to anticipate what follows and adjust their actions accordingly.”
“For instance, they can modify their swimming strokes to sync with wave patterns, reach for moving branches while trees shake, or arrange their vocal outputs to align or overlap with those of other animals.”
Ronan’s rhythmic skills may open doors for further research. The team is currently examining whether she can track more complex and irregular patterns.
They are also employing game-based training to assess whether Ronan is a unique case or the beginning of something more widespread.
Ultimately, the question remains: will we see a sea lion performing live alongside a musician on stage?
“I believe we can teach a sea lion to maintain a basic 4/4 beat,” Cook remarked. “When we tested her with live music, Ronan adapted her rhythm dynamically like a band, even with tempo shifts.”
However, before anyone rushes to sign a record deal with Ronan, there’s a minor hurdle: “The sea lion only has one ‘hand’,” Cook noted. “And their flipper control isn’t quite suited for the precise movements required for playing hi-hats or bass drums.”
That said, Cook expressed enthusiasm about the possibility, adding, “It’s definitely something we want to explore, though I suspect the fish might need regular breaks.”
About Our Experts
Peter Cook is an associate professor of marine mammal science at New College, Florida. His research focuses on animal cognition and comparative neuroscience across various species. Cook is particularly interested in discovering new and ecologically effective methods for studying brain and behavior beyond traditional laboratory settings.
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Source: www.sciencefocus.com
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