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The urge to breed early: Similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration
Birds migrating different distances experience different temporal, energetic, physiological, and physical constraints throughout migration, which is reflected in their migration strategy. Consequently, we predict different behavioral decisions to similar environmental cues between short‐ and long‐di...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
John Wiley and Sons Inc.
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10318620/ https://www.ncbi.nlm.nih.gov/pubmed/37408622 http://dx.doi.org/10.1002/ece3.10223 |
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author | Rüppel, Georg Hüppop, Ommo Schmaljohann, Heiko Brust, Vera |
author_facet | Rüppel, Georg Hüppop, Ommo Schmaljohann, Heiko Brust, Vera |
author_sort | Rüppel, Georg |
collection | PubMed |
description | Birds migrating different distances experience different temporal, energetic, physiological, and physical constraints throughout migration, which is reflected in their migration strategy. Consequently, we predict different behavioral decisions to similar environmental cues between short‐ and long‐distance migrants, which has been documented for autumn migration. Here, we focus on the question whether trade‐off decisions regarding departure, routing, and landing when alternating between migratory endurance flights and stopovers also differ during spring migration. As early arrivals at the breeding grounds should be ultimately favored regardless of migration distance, selection may favor more similar behavioral decisions in spring than in autumn. We radio‐tagged short‐ and long‐distance migratory songbirds at stopover sites along the German North Sea coast during spring and automatically tracked their migratory behavior using a large‐scale network of receiver stations. Once departed, birds could either cross the sea or detour along the coast. We corrected for spatially biased detection data, using a hierarchical multistate model to assess how birds respond to variation in environmental conditions in their day‐to‐day departure decisions and route selection. The day‐to‐day departure probability was higher in long‐distance migrants independently of the routing decision. Irrespective of migration distance, all species more likely departed under light winds and rainless conditions, while the influence of air pressure change and relative humidity was species‐specific. By accounting for detection probabilities, we estimated that about half of all individuals of each species crossed the sea but did not find differences between short‐ and long‐distance migrants. Offshore flights were more likely when winds blew offshore and began earlier within the night compared with onshore flights. Our results suggest that selection more similarly affects birds of different migration distances in spring than in autumn. These findings put the focus toward how ultimate mechanisms may shape departure and routing decisions differently between migration seasons. |
format | Online Article Text |
id | pubmed-10318620 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | John Wiley and Sons Inc. |
record_format | MEDLINE/PubMed |
spelling | pubmed-103186202023-07-05 The urge to breed early: Similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration Rüppel, Georg Hüppop, Ommo Schmaljohann, Heiko Brust, Vera Ecol Evol Research Articles Birds migrating different distances experience different temporal, energetic, physiological, and physical constraints throughout migration, which is reflected in their migration strategy. Consequently, we predict different behavioral decisions to similar environmental cues between short‐ and long‐distance migrants, which has been documented for autumn migration. Here, we focus on the question whether trade‐off decisions regarding departure, routing, and landing when alternating between migratory endurance flights and stopovers also differ during spring migration. As early arrivals at the breeding grounds should be ultimately favored regardless of migration distance, selection may favor more similar behavioral decisions in spring than in autumn. We radio‐tagged short‐ and long‐distance migratory songbirds at stopover sites along the German North Sea coast during spring and automatically tracked their migratory behavior using a large‐scale network of receiver stations. Once departed, birds could either cross the sea or detour along the coast. We corrected for spatially biased detection data, using a hierarchical multistate model to assess how birds respond to variation in environmental conditions in their day‐to‐day departure decisions and route selection. The day‐to‐day departure probability was higher in long‐distance migrants independently of the routing decision. Irrespective of migration distance, all species more likely departed under light winds and rainless conditions, while the influence of air pressure change and relative humidity was species‐specific. By accounting for detection probabilities, we estimated that about half of all individuals of each species crossed the sea but did not find differences between short‐ and long‐distance migrants. Offshore flights were more likely when winds blew offshore and began earlier within the night compared with onshore flights. Our results suggest that selection more similarly affects birds of different migration distances in spring than in autumn. These findings put the focus toward how ultimate mechanisms may shape departure and routing decisions differently between migration seasons. John Wiley and Sons Inc. 2023-07-04 /pmc/articles/PMC10318620/ /pubmed/37408622 http://dx.doi.org/10.1002/ece3.10223 Text en © 2023 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. https://creativecommons.org/licenses/by/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Research Articles Rüppel, Georg Hüppop, Ommo Schmaljohann, Heiko Brust, Vera The urge to breed early: Similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration |
title | The urge to breed early: Similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration |
title_full | The urge to breed early: Similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration |
title_fullStr | The urge to breed early: Similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration |
title_full_unstemmed | The urge to breed early: Similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration |
title_short | The urge to breed early: Similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration |
title_sort | urge to breed early: similar responses to environmental conditions in short‐ and long‐distance migrants during spring migration |
topic | Research Articles |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10318620/ https://www.ncbi.nlm.nih.gov/pubmed/37408622 http://dx.doi.org/10.1002/ece3.10223 |
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