Shyer and larger bird species show more reduced fear of humans when living in urban environments

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dc.contributor.authordelBarco-Trillo, Javier
dc.date.accessioned2018-06-21T09:22:52Z
dc.date.available2018-06-21T09:22:52Z
dc.date.issued2018-04
dc.date.updated2018-06-21T09:16:58Z
dc.description.abstractAs the natural habitats of many species are degraded or disappear, there is scope for these species to be established in urban habitats. To ease the establishment and maintenance of urban populations of more species we need to better understand what degree of phenotypical change to expect as different species transition into urban environments. During the first stages of urban colonization, behavioural changes such as an increase in boldness are particularly important. A consistent response in urban populations is to decrease the distance at which individuals flee from an approaching human (flight initiation distance, or FID). Performing a phylogenetic generalized least-squares (PGLS) analysis on 130 avian species, I found that the largest changes in FID between rural and urban populations occur in species that are larger-bodied and naturally shy (higher rural FID), two phenotypic traits that are not normally associated with urban colonizers. More unlikely species may thus be able to colonize urban environments, especially if we design cities in ways that promote such urban colonizations.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationdelBarco-Trillo, J (2018) 'Shyer and larger bird species show more reduced fear of humans when living in urban environments'. Biology Letters, 14 (4). DOI: 10.1098/rsbl.2017.0730en
dc.identifier.doi10.1098/rsbl.2017.0730
dc.identifier.issn1744-9561
dc.identifier.issued4en
dc.identifier.journaltitleBiology Lettersen
dc.identifier.urihttps://hdl.handle.net/10468/6375
dc.identifier.volume14en
dc.language.isoenen
dc.publisherThe Royal Societyen
dc.relation.urihttp://rsbl.royalsocietypublishing.org/content/14/4/20170730
dc.relation.urihttps://doi.org/10.6084/m9.figshare.c.4052384.v1
dc.rights© 2018 The Author(s). Published by the Royal Society. All rights reserved.en
dc.subjectFlight-initiation distancesen
dc.subjectRural populationsen
dc.subjectRisk-takingen
dc.subjectDisturbanceen
dc.subjectUrbanizationen
dc.subjectLifeen
dc.subjectHabituationen
dc.subjectAdaptationen
dc.subjectToleranceen
dc.subjectResponsesen
dc.titleShyer and larger bird species show more reduced fear of humans when living in urban environmentsen
dc.typeArticle (peer-reviewed)en
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