The demographic drivers of cultural evolution in bird song: a multilevel study DOI Creative Commons
Nilo Merino Recalde, Andrea Estandía, Sara Keen

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: Dec. 1, 2023

Summary Social learning within communities sometimes leads to behavioural patterns that persist over time, which we know as culture. Examples of culture include learned bird and whale songs, cetacean feeding techniques, avian mammalian migratory routes. Shaped by neutral selective forces, animal cultures evolve dynamically lead cultural traditions differ greatly in their diversity stability. These traits can influence individual group survival, population structure, even inform conservation efforts, underscoring the importance understanding how other processes interact with social shape Although impact mechanisms biases has been extensively explored, role demographic factors—such turnover, immigration, age structure—on evolution received theoretical attention but rarely subject empirical investigation natural populations. Doing so requires very complete trait sampling detailed life history data, are hard acquire combination. To this end, built a multi-generational dataset containing 109,000 songs from >400 individuals Great Tits ( Parus major ), study using deep metric model re-identify quantify song similarity. We show variation at small spatial scales takes place potential strongly pace outcome evolution. For example, distributions skewed towards older associated slower change increased diversity, while higher local turnover elevated rates change. Our analyses support expectations for key resulting behaviour determining evolution, emphasize these species-specific factors such timing acquisition. Implications extend large-scale dynamics formation dialects or traditions.

Language: Английский

The demographic drivers of cultural evolution in bird song: a multilevel study DOI Creative Commons
Nilo Merino Recalde, Andrea Estandía, Sara Keen

et al.

bioRxiv (Cold Spring Harbor Laboratory), Journal Year: 2023, Volume and Issue: unknown

Published: Dec. 1, 2023

Summary Social learning within communities sometimes leads to behavioural patterns that persist over time, which we know as culture. Examples of culture include learned bird and whale songs, cetacean feeding techniques, avian mammalian migratory routes. Shaped by neutral selective forces, animal cultures evolve dynamically lead cultural traditions differ greatly in their diversity stability. These traits can influence individual group survival, population structure, even inform conservation efforts, underscoring the importance understanding how other processes interact with social shape Although impact mechanisms biases has been extensively explored, role demographic factors—such turnover, immigration, age structure—on evolution received theoretical attention but rarely subject empirical investigation natural populations. Doing so requires very complete trait sampling detailed life history data, are hard acquire combination. To this end, built a multi-generational dataset containing 109,000 songs from >400 individuals Great Tits ( Parus major ), study using deep metric model re-identify quantify song similarity. We show variation at small spatial scales takes place potential strongly pace outcome evolution. For example, distributions skewed towards older associated slower change increased diversity, while higher local turnover elevated rates change. Our analyses support expectations for key resulting behaviour determining evolution, emphasize these species-specific factors such timing acquisition. Implications extend large-scale dynamics formation dialects or traditions.

Language: Английский

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