Are movements of daytime and nighttime passerine migrants as different as day and night?

Abstract Even after decades of research, the migration of songbirds still holds numerous secrets. Distinct stopover and routing behavior of diurnally and nocturnally migrating songbirds has been stated in the 1960s, but empirical confirmation is yet lacking widely. We studied the behavior of individ...

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Main Authors: Bianca Michalik, Vera Brust, Ommo Hüppop
Format: Article
Language:English
Published: Wiley 2020-10-01
Series:Ecology and Evolution
Subjects:
Online Access:https://doi.org/10.1002/ece3.6704
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author Bianca Michalik
Vera Brust
Ommo Hüppop
author_facet Bianca Michalik
Vera Brust
Ommo Hüppop
author_sort Bianca Michalik
collection DOAJ
description Abstract Even after decades of research, the migration of songbirds still holds numerous secrets. Distinct stopover and routing behavior of diurnally and nocturnally migrating songbirds has been stated in the 1960s, but empirical confirmation is yet lacking widely. We studied the behavior of individual diurnally migrating dunnocks and nocturnally migrating blackcaps by means of large‐scale automated radio‐telemetry. Birds were radio‐tagged during their stopover at the German North Sea coast. Our data indicate longer initial stopover duration in the diurnally migrating dunnocks, opposing the hypothesis of nocturnal migrants needing more time to recover due to their longer migratory flights. Nonetheless, dunnocks stopped over more often along their tracks as when compared to the nocturnally migrating blackcaps. Behavior en route did not differ as clearly between species challenging the general view of contrasting routings of diurnal and nocturnal migrants with regard to landscape and open water. Our results imply additional factors of relevance other than differences in species or daily migration timing per se. We discuss and highlight the need of detailed and individual based data to better understand stopover and routing behavior of songbirds in the environmental context.
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spelling doaj.art-8afb7bccf1be4f1395d9da98408b0e9b2022-12-22T04:09:29ZengWileyEcology and Evolution2045-77582020-10-011020110311104210.1002/ece3.6704Are movements of daytime and nighttime passerine migrants as different as day and night?Bianca Michalik0Vera Brust1Ommo Hüppop2Institute of Avian Research “Vogelwarte Helgoland” Wilhelmshaven GermanyInstitute of Avian Research “Vogelwarte Helgoland” Wilhelmshaven GermanyInstitute of Avian Research “Vogelwarte Helgoland” Wilhelmshaven GermanyAbstract Even after decades of research, the migration of songbirds still holds numerous secrets. Distinct stopover and routing behavior of diurnally and nocturnally migrating songbirds has been stated in the 1960s, but empirical confirmation is yet lacking widely. We studied the behavior of individual diurnally migrating dunnocks and nocturnally migrating blackcaps by means of large‐scale automated radio‐telemetry. Birds were radio‐tagged during their stopover at the German North Sea coast. Our data indicate longer initial stopover duration in the diurnally migrating dunnocks, opposing the hypothesis of nocturnal migrants needing more time to recover due to their longer migratory flights. Nonetheless, dunnocks stopped over more often along their tracks as when compared to the nocturnally migrating blackcaps. Behavior en route did not differ as clearly between species challenging the general view of contrasting routings of diurnal and nocturnal migrants with regard to landscape and open water. Our results imply additional factors of relevance other than differences in species or daily migration timing per se. We discuss and highlight the need of detailed and individual based data to better understand stopover and routing behavior of songbirds in the environmental context.https://doi.org/10.1002/ece3.6704blackcapdiurnal versus nocturnal migrationdunnockNorth Searadio‐telemetrystopover
spellingShingle Bianca Michalik
Vera Brust
Ommo Hüppop
Are movements of daytime and nighttime passerine migrants as different as day and night?
Ecology and Evolution
blackcap
diurnal versus nocturnal migration
dunnock
North Sea
radio‐telemetry
stopover
title Are movements of daytime and nighttime passerine migrants as different as day and night?
title_full Are movements of daytime and nighttime passerine migrants as different as day and night?
title_fullStr Are movements of daytime and nighttime passerine migrants as different as day and night?
title_full_unstemmed Are movements of daytime and nighttime passerine migrants as different as day and night?
title_short Are movements of daytime and nighttime passerine migrants as different as day and night?
title_sort are movements of daytime and nighttime passerine migrants as different as day and night
topic blackcap
diurnal versus nocturnal migration
dunnock
North Sea
radio‐telemetry
stopover
url https://doi.org/10.1002/ece3.6704
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