Pervasive patterns in bird songs resemble those in human speech and song and are independent of vocal learning.

Across 367 bird species, bird songs show pervasive acoustic patterning that resembles common patterns in human speech and song, with similarity varying by context.

• Why it matters: Stronger, large-scale comparisons are needed to test whether bird-song “analogs” to human speech reflect true shared structure and whether vocal learning shapes those patterns.
• What they did: The study analyzed global corpora of >74,500 bird vocal elements from ~5900 songs across vocal learner clades (oscines, hummingbirds) and nonlearners (suboscines, nightjars), alongside 52 human languages with >15,000 elements in >800 phrases.
• The result: Vocal learning did not systematically affect acoustic patterning or similarity to human vocalizations, supporting deep analogies and convergent motor mechanisms shaping communication.

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