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Diverse migration strategies in hoopoes (Upupa epops) lead to weak spatial but strong temporal connectivity

RE. van Wijk, M. Schaub, S. Hahn, N. Juárez-García-Pelayo, B. Schäfer, L. Viktora, M. Martín-Vivaldi, M. Zischewski, S. Bauer,

. 2018 ; 105 (7-8) : 42. [pub] 20180621

Language English Country Germany

Document type Journal Article

Persistent link   https://www.medvik.cz/link/bmc18033033

The annual cycle of migrating birds is shaped by their seasonal movements between breeding and non-breeding sites. Studying how migratory populations are linked throughout the annual cycle-migratory connectivity, is crucial to understanding the population dynamics of migrating bird species. This requires the consideration not only of spatial scales as has been the main focus to date but also of temporal scales: only when both aspects are taken into account, the degree of migratory connectivity can be properly defined. We investigated the migration behaviour of hoopoes (Upupa epops) from four breeding populations across Europe and characterised migration routes to and from the breeding grounds, location of non-breeding sites and the timing of key migration events. Migration behaviour was found to vary both within and amongst populations, and even though the spatial migratory connectivity amongst the populations was weak, temporal connectivity was strong with differences in timing amongst populations, but consistent timing within populations. The combination of diverse migration routes within populations and co-occurrence on the non-breeding grounds between populations might promote exchange between breeding populations. As a result, it might make hoopoes and other migrating bird species with similar strategies more resilient to future habitat or climatic changes and stabilise population trends.

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$a van Wijk, Rien E $u Swiss Ornithological Institute, Seerose 1, CH-6204, Sempach, Switzerland. rienvanwijk@gmail.com. Department of Evolutionary Biology and Environmental Studies, University of Zürich, Winterthurerstrasse 190, CH-8057, Zürich, Switzerland. rienvanwijk@gmail.com. , Magle Torv 4, 2860, Søborg, Denmark. rienvanwijk@gmail.com.
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$a The annual cycle of migrating birds is shaped by their seasonal movements between breeding and non-breeding sites. Studying how migratory populations are linked throughout the annual cycle-migratory connectivity, is crucial to understanding the population dynamics of migrating bird species. This requires the consideration not only of spatial scales as has been the main focus to date but also of temporal scales: only when both aspects are taken into account, the degree of migratory connectivity can be properly defined. We investigated the migration behaviour of hoopoes (Upupa epops) from four breeding populations across Europe and characterised migration routes to and from the breeding grounds, location of non-breeding sites and the timing of key migration events. Migration behaviour was found to vary both within and amongst populations, and even though the spatial migratory connectivity amongst the populations was weak, temporal connectivity was strong with differences in timing amongst populations, but consistent timing within populations. The combination of diverse migration routes within populations and co-occurrence on the non-breeding grounds between populations might promote exchange between breeding populations. As a result, it might make hoopoes and other migrating bird species with similar strategies more resilient to future habitat or climatic changes and stabilise population trends.
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$a Schaub, Michael $u Swiss Ornithological Institute, Seerose 1, CH-6204, Sempach, Switzerland. Institute of Ecology and Evolution, Division of Conservation Biology, University of Bern, Baltzerstrasse 6, CH-3012, Bern, Switzerland.
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$a Hahn, Steffen $u Swiss Ornithological Institute, Seerose 1, CH-6204, Sempach, Switzerland.
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$a Juárez-García-Pelayo, Natalia $u Departamento de Zoología, Universidad de Granada, E-18071, Granada, Spain.
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$a Schäfer, Björn $u IHU Geologie und Analytik, Dr.-Kurt-Schumacher-Straße 23, 39578, Stendal, Germany.
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$a Viktora, Lukáš $u Czech Society for Ornithology, Na bělidle, 34, Prague, Czech Republic.
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$a Martín-Vivaldi, Manuel $u Departamento de Zoología, Universidad de Granada, E-18071, Granada, Spain.
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$a Zischewski, Marko $u Staatliche Betriebsgesellschaft für Umwelt und Landwirtschaft, Park 2, 02699, Neschwitz, Germany.
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$a Bauer, Silke $u Swiss Ornithological Institute, Seerose 1, CH-6204, Sempach, Switzerland.
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