AI restores lost birdsong in Argentina
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Researchers in Buenos Aires used artificial intelligence to teach a songbird a melody it hadn’t sung in decades.
Scientists played a computer-recreated song from the 1960s to local Rufous-collared Sparrows ( Zonotrichia capensis ), a common South American bird. Within three months, one bird began to incorporate fragments of the lost song into its own vocalizations. The team aimed to demonstrate that AI and recordings could help recover forgotten songs, potentially boosting the survival chances of endangered species.
Birdsong is crucial for attracting mates and reproduction, and declining bird populations risk losing unique melodies. When populations shrink, young birds have fewer opportunities to learn from older ones, leading to incorrect or borrowed songs that can hinder breeding. Researchers emphasize that protecting “cultural” behaviors like birdsong is as important as preserving genetic diversity. They point to studies showing that male birds with complex, energetic songs are more attractive to females, signaling good health and vigor.
While the experiment focused on a non-threatened species, scientists hope the method will prove useful for rarer birds, even without original recordings, by using AI to generate suitable learning material. Further research will determine if the restored song persists across generations.
