National Geographic
The song of the chingolo can be heard across South America. But young songbirds were no longer learning the tunes of their elders—until scientists stepped in.
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A robot taught these birds a long-lost birdsong
Maria de los Angeles Orfila
09:24
The song of the chingolo can be heard across South America. But young songbirds were no longer learning the tunes of their elders—until scientists stepped in.
