{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Luepold SB"],"funding":["Swiss National Science Foundation"],"pagination":["arae072"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11457480"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["35(6)"],"pubmed_abstract":["In this era of rapid global change, understanding the mechanisms that enable or prevent species from co-occurring has assumed new urgency. The convergent agonistic character displacement (CACD) hypothesis posits that signal similarity enables the co-occurrence of ecological competitors by promoting aggressive interactions that reduce interspecific territory overlap and hence, exploitative competition. In northwestern Switzerland, ca. 10% of <i>Phylloscopus sibilatrix</i> produce songs containing syllables that are typical of their co-occurring sister species, <i>Phylloscopus bonelli</i> (\"mixed singers\"). To examine whether the consequences of <i>P. sibilatrix</i> mixed singing are consistent with CACD, we combined a playback experiment and an analysis of interspecific territory overlap. A"],"journal":["Behavioral ecology : official journal of the International Society for Behavioral Ecology"],"pubmed_title":["A test of the mechanistic process behind the convergent agonistic character displacement hypothesis."],"pmcid":["PMC11457480"],"funding_grant_id":["179214"],"pubmed_authors":["Luepold SB","Pasinelli G","Carlotti S"],"additional_accession":[]},"is_claimable":false,"name":"A test of the mechanistic process behind the convergent agonistic character displacement hypothesis.","description":"In this era of rapid global change, understanding the mechanisms that enable or prevent species from co-occurring has assumed new urgency. The convergent agonistic character displacement (CACD) hypothesis posits that signal similarity enables the co-occurrence of ecological competitors by promoting aggressive interactions that reduce interspecific territory overlap and hence, exploitative competition. In northwestern Switzerland, ca. 10% of <i>Phylloscopus sibilatrix</i> produce songs containing syllables that are typical of their co-occurring sister species, <i>Phylloscopus bonelli</i> (\"mixed singers\"). To examine whether the consequences of <i>P. sibilatrix</i> mixed singing are consistent with CACD, we combined a playback experiment and an analysis of interspecific territory overlap. A","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Nov-Dec","modification":"2026-06-02T23:14:19.216Z","creation":"2025-04-19T19:23:37.78Z"},"accession":"S-EPMC11457480","cross_references":{"pubmed":["39380688"],"doi":["10.1093/beheco/arae072"]}}