Science & ResearchAug 5, 2026
Global patterns and evolution of avian song complexity
Why birds evolved complex songs has been a long-standing puzzle.
Why birds evolved complex songs has been a long-standing puzzle. Here, by quantifying song complexity in 4,940 species (83% of all passerines), we show a latitudinal gradient in song complexity, with the most complex songs occurring in temperate, open-habitat bird assemblages…
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