Scientists find building blocks of birdsong's 'spectacular diversity'
Researchers in France have identified eight fundamental 'motifs' that form the basis of diverse birdsong patterns globally. By using AI to analyze over 100,000 recordings, the study reveals how environmental factors influence the evolution of these acoustic building blocks.
Why it matters
This discovery provides a simplified framework for understanding complex biological communication and how environmental adaptation shapes animal behavior.
Image source, Clément Cornec/ENES Bioacoustics Research Lab Image caption, The songs of birds like this European wren are shaped by their environment
Scientists in France say they have discovered the building blocks of the incredible diversity of birdsong.
A team analysed the songs of more than 100,000 songbirds and revealed that the world's birdsongs are composed of eight fundamental types of sound that the researchers call "motifs".
Birdsong all around the world, they say, is made up of combinations of these motifs - three types of trill, three types of whistle, chaotic notes and harmonies.
Birdsong is one of the natural world's most sophisticated forms of sound-based communication.
Its variety and complexity has fascinated biologists, but with so many different songs, it has been difficult to study on a global scale.
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