Supplementary material to "Habitat detection, habitat choice copying, or mating benefits: what drives conspecific attraction in a nomadic songbird?"

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dc.contributor.affiliationSwiss Ornithological Institute, Sempach, Switzerland, and, Department of Evolutionary Biology and Environmental Studies, University of Zürich, Zürich, Switzerland-Pasinelli, Gilberto
dc.contributor.authorPasinelli, Gilberto
dc.date.accessioned2025-04-29T14:05:55Z
dc.date.issued2022-11-11
dc.date.issued2022-11-11
dc.descriptionAbstract Conspecific attraction during habitat selection is common among animals, but the ultimate (i.e., fitness-related) reasons for this behavior often remain enigmatic. We aimed to evaluate the following three hypotheses for conspecific attraction during the breeding season in male Wood Warblers (Phylloscopus sibilatrix): the habitat detection hypothesis, the habitat choice copying hypothesis, and the female preference hypothesis. These hypotheses make different predictions with respect to the relative importance of social and non-social information during habitat assessment, and whether benefits accrue as a consequence of aggregation. We tested the above hypotheses using a combination of a two-year playback experiment, spatial statistics and mate choice models. The habitat detection hypothesis was the most likely explanation for conspecific attraction and aggregation in male Wood Warblers, based on the following results: 1) males were attracted to conspecific song playbacks, but fine-scale habitat heterogeneity was the better predictor of spatial patterns in the density of settling males; 2) male pairing success did not increase, but instead slightly decreased, as connectivity with other males (i.e., the number and proximity of neighboring males) increased. Our study highlights how consideration of the process by which animals detect and assess habitat, together with the potential fitness consequences of resulting aggregations, are important for understanding conspecific attraction and spatially clustered distributions.
dc.identifierhttps://doi.org/10.5281/zenodo.7123330
dc.identifier.urihttps://datakatalogi.helsinki.fi/handle/123456789/6303
dc.rights.licensecc-by-4.0
dc.subjectconspecific attraction
dc.subjectterritory clustering
dc.subjecthidden lek
dc.subjecthabitat selection
dc.subjectsongbirds
dc.subjectsocial information
dc.subjectsettlement
dc.subjectdecisions
dc.titleSupplementary material to "Habitat detection, habitat choice copying, or mating benefits: what drives conspecific attraction in a nomadic songbird?"
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