Population-specific adjustment of the annual cycle in a super-swift trans-Saharan migrant

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dc.contributor.authorMeier, Christoph M.
dc.contributor.authorKaraardıç, Hakan
dc.contributor.authorAymi, Raul
dc.contributor.authorPeev, Strahil G.
dc.contributor.authorWitvliet, Willem
dc.contributor.authorLiechti, Felix
dc.date.accessioned2021-02-19T21:16:21Z
dc.date.available2021-02-19T21:16:21Z
dc.date.issued2020
dc.departmentALKÜ
dc.descriptionLiechti, Felix/0000-0001-9473-0837
dc.description.abstractFor migratory birds optimal timing of the onset of reproduction is vital, especially when suitable conditions for reproduction occur only for a short while during the year. With increasing latitude the suitable period becomes shorter and we expect the organization of annual cycle to be more synchronized to the local conditions across individuals of same population. This should result in low variation of arrival and departure date in breeding sites at higher latitudes. We quantify the temporal and geographical variation in pre- and post-breeding migration between individuals from four different populations of alpine swifts Tachymarptis melba along a latitudinal gradient. We tracked 215 individuals in three years with geolocators. The two western and two eastern populations showed separate migratory flyways and places of residence in Africa. Length of stay at the breeding sites was negatively correlated with latitude and differed by more than a month between populations. Duration of migration was similarly short in all populations (median 6.2 days in autumn and 8.7 days in spring). However, variation in timing of migration was unrelated to latitude and individuals everywhere arrived in the same asynchrony at the breeding site.
dc.description.sponsorshipSwiss federal office for the environment (FOEN) [UTF 400.34.11]; Wolfermann-Nageli foundation
dc.description.sponsorshipThe Swiss federal office for the environment (FOEN) contributed financial support for the development of the tags (grant UTF 400.34.11). The Wolfermann-Nageli foundation granted supported for fieldwork.
dc.identifier.doi10.1111/jav.02515
dc.identifier.issn0908-8857
dc.identifier.issn1600-048X
dc.identifier.issue11en_US
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1111/jav.02515
dc.identifier.urihttps://hdl.handle.net/20.500.12868/394
dc.identifier.volume51en_US
dc.identifier.wosWOS:000595749100009
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.institutionauthor0-belirlenecek
dc.language.isoen
dc.publisherWiley
dc.relation.ispartofJournal of Avian Biology
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectannual schedule
dc.subjectlong-distance migrant
dc.subjectmigration phenology
dc.subjectnon-breeding season
dc.subjectnon-passerine
dc.titlePopulation-specific adjustment of the annual cycle in a super-swift trans-Saharan migrant
dc.typeArticle

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