Discover the brain science behind how birds learn to sing, from song nuclei to social cues and critical learning windows.
NPR's Scott Detrow speaks with Matthew Medler of the Cornell Lab of Ornithology about the best bird sounds of 2025 from their vast collection of recordings, and why their selections made the list.
Newborn chicks match “kiki” with spiky shapes and “bouba” with round ones, revealing the curious bouba-kiki effect in animals.
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