Scientists revive a lost 1960s sparrow song, and wild birds start adopting it
Researchers used computer-generated recordings to bring back a bird song that had disappeared from the wild. The call belongs to the rufous-collared sparrow, which was reintroduced to its habitat in Argentina. The effort is part of a conservation approach aimed at protecting endangered species by restoring their vocal traditions and communication abilities. Similar methods have reportedly produced positive results in captive breeding programs for the regent honeyeater.
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