{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T03:51:33Z","timestamp":1791431493207,"version":"4.3.3"},"reference-count":74,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T00:00:00Z","timestamp":1789689600000},"content-version":"vor","delay-in-days":17,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T00:00:00Z","timestamp":1788220800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100000780","name":"European Commission","doi-asserted-by":"publisher","award":["LIFE Connect Ricot\u00ed LIFE20 NAT\/ES\/000133"],"award-info":[{"award-number":["LIFE Connect Ricot\u00ed LIFE20 NAT\/ES\/000133"]}],"id":[{"id":"10.13039\/501100000780","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Ecology and Evolution"],"published-print":{"date-parts":[[2026,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Acoustic communication plays a central role in bird behavior, yet the ecological and social factors that shape the patterns of variable within\u2010species bird vocalizations remain poorly understood. Here, we examined the singing and calling behavior of Dupont's lark (\n                    <jats:styled-content style=\"fixed-case\">\n                      <jats:italic>Chersophilus duponti<\/jats:italic>\n                    <\/jats:styled-content>\n                    ), a threatened bird species, across individuals, populations, and spatial scales throughout most of its European distribution range, restricted to Spain. For both vocalization types, we assessed the influence of population size and recording location on individual and population repertoire sizes, described the spatial patterns of acoustic similarity among males, and tested whether individual song repertoire predicts population persistence, a hypothesis formulated for this species two decades ago. We found that individual song repertoire size differed between the two geographic areas surveyed, with males inhabiting the Ebro Valley having a larger song repertoire size than those in the Iberian System, but this was unrelated to population size. Call repertoire size showed no relationship with either factor. At the population level, song repertoire size increased with population size, whereas call repertoire size was not associated with any considered driver. Acoustic similarity in both vocalization types decreased with spatial distance, but songs exhibited a sharper spatial decay than calls, suggesting more restricted cultural transmission. Mean individual song repertoire size was a significant predictor of population persistence over two decades: populations in which individuals had larger song repertoires in 2004\u20132007 were significantly more likely to persist to the present day, supporting a long\u2010standing hypothesis for this species. Overall, our results reveal distinct ecological and cultural signatures for songs and calls in Dupont's lark. This indicates that songs, which are learned after dispersal, are more dynamic and variable, whereas calls, which are proposed to be learned before dispersal, are more stable. Furthermore, we confirm that song repertoire size can be used as an early\u2010warning signal of population decline and highlight the utility of acoustic traits as practical tools for tracking population health and informing conservation strategies.\n                  <\/jats:p>","DOI":"10.1002\/ece3.74380","type":"journal-article","created":{"date-parts":[[2026,9,19]],"date-time":"2026-09-19T01:14:41Z","timestamp":1789780481000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Singing and Calling Behavior of a Threatened Passerine With Spatially Variable Vocalizations: Individual, Population and Geographic Patterns"],"prefix":"10.1002","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3247-4182","authenticated-orcid":false,"given":"Cristian","family":"P\u00e9rez\u2010Granados","sequence":"first","affiliation":[{"name":"Biodiversity Management and Conservation Programme, Forest Science and Technology Centre of Catalonia, CTFC  Lleida Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cristina D.","family":"Alonso\u2010Moya","sequence":"additional","affiliation":[{"name":"Biodiversity Management and Conservation Programme, Forest Science and Technology Centre of Catalonia, CTFC  Lleida Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adri\u00e1n","family":"Barrero","sequence":"additional","affiliation":[{"name":"Terrestrial Ecology Group (TEG\u2010UAM), Departamento de Ecolog\u00eda Universidad Aut\u00f3noma de Madrid  Madrid Spain"},{"name":"Centro de Investigaci\u00f3n en Biodiversidad y Cambio Global (CIBC\u2010UAM) Universidad Aut\u00f3noma de Madrid  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pedro","family":"S\u00e1ez\u2010G\u00f3mez","sequence":"additional","affiliation":[{"name":"Department of Ecology and Evolution Estaci\u00f3n Biol\u00f3gica de Do\u00f1ana (CSIC)  Seville Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gerard","family":"Bota","sequence":"additional","affiliation":[{"name":"Biodiversity Management and Conservation Programme, Forest Science and Technology Centre of Catalonia, CTFC  Lleida Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jos\u00e9 J.","family":"Lahoz\u2010Monfort","sequence":"additional","affiliation":[{"name":"Instituto Pirenaico de Ecolog\u00eda, CSIC  Jaca Spain"},{"name":"School of Agriculture, Food and Ecosystem Sciences University of Melbourne  Parkville Victoria Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paola","family":"Laiolo","sequence":"additional","affiliation":[{"name":"Instituto Mixto de Investigaci\u00f3n en Biodiversidad (CSIC, UO, PA), Universidad de Oviedo, Campus de Mieres  Mieres Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mar\u00eda","family":"M\u00e9ndez","sequence":"additional","affiliation":[{"name":"German Center for Integrative Biodiversity Research (iDiv) Halle\u2010Jena\u2010Leipzig  Leipzig Germany"},{"name":"Institute of Biology Martin Luther University Halle\u2010Wittenberg  Halle (Saale) Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David","family":"Serrano","sequence":"additional","affiliation":[{"name":"Departamento de Biolog\u00eda de la Conservaci\u00f3n y Cambio Global Estaci\u00f3n Biol\u00f3gica de Do\u00f1ana (EBD\u2010CSIC)  Sevilla Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3038-7424","authenticated-orcid":false,"given":"Jos\u00e9 L.","family":"Tella","sequence":"additional","affiliation":[{"name":"Departamento de Biolog\u00eda de la Conservaci\u00f3n y Cambio Global Estaci\u00f3n Biol\u00f3gica de Do\u00f1ana (EBD\u2010CSIC)  Sevilla Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthias","family":"V\u00f6geli","sequence":"additional","affiliation":[{"name":"Swiss Ornithological Institute Applied Ecology Research Unit  Sempach Switzerland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan","family":"Traba","sequence":"additional","affiliation":[{"name":"Terrestrial Ecology Group (TEG\u2010UAM), Departamento de Ecolog\u00eda Universidad Aut\u00f3noma de Madrid  Madrid Spain"},{"name":"Centro de Investigaci\u00f3n en Biodiversidad y Cambio Global (CIBC\u2010UAM) Universidad Aut\u00f3noma de Madrid  Madrid Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,18]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.anbehav.2014.03.029"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.2307\/4071548"},{"key":"e_1_2_10_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-1-4899-1745-4_4"},{"key":"e_1_2_10_5_1","doi-asserted-by":"publisher","DOI":"10.1007\/s10531-025-03083-0"},{"key":"e_1_2_10_6_1","unstructured":"BirdLife International.2021.\u201cChersophilus duponti(Europe Assessment). 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