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<p>Migratory bird distributions are inherently dynamic and vary with seasons, but are also increasingly influenced by climate and land-use changes. Understanding these shifts is crucial for interpreting ecosystem dynamics and guiding future conservation efforts. In this study, we analysed 187,779 resightings (1985–2021) of 5,120 colour-banded Common Cranes (<i>Grus grus</i>), originating from 8 northern European countries, to examine long-term spatiotemporal distribution dynamics along the Western and Central European flyways. Our results show that the flyway use has remained largely consistent with the previous studies: most cranes follow the Western European flyway, wintering in France and Spain, whilst a smaller proportion follow the Central European flyway, wintering in Hungary and occasionally reaching Israel and North Africa. However, we also observed a pronounced northward shift in wintering distribution over the past 4 decades. At the same time, breeding distributions showed a slight southward expansion, potentially reflecting both population growth and changes in marking effort. Our results demonstrate the importance of long-term monitoring in detecting range shifts and highlight the need for adaptive conservation planning in the face of accelerating climate and land-use change.</p>

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Long-term shifts in the spatial distribution of Common Cranes Grus grus

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月10日

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  • Morgane Gicquel,
  • Lovisa Nilsson,
  • Juan C. Alonso,
  • Matthew Low,
  • Javier A. Alonso,
  • Dmitrijs Boiko,
  • Damon Bridge,
  • Patrick Dulau,
  • Thomas Heinicke,
  • Anne Kettner,
  • Yosef Kiat,
  • Petras Kurlavičius,
  • Sigvard Lundgren,
  • Michael Modrow,
  • Günter Nowald,
  • Ivar Ojaste,
  • Alain Salvi,
  • Jostein Sandvik,
  • Markéta Ticháčková,
  • Antonio Torrijo,
  • Jari Valkama,
  • Zsolt Végvári,
  • Johan Månsson

摘要

Migratory bird distributions are inherently dynamic and vary with seasons, but are also increasingly influenced by climate and land-use changes. Understanding these shifts is crucial for interpreting ecosystem dynamics and guiding future conservation efforts. In this study, we analysed 187,779 resightings (1985–2021) of 5,120 colour-banded Common Cranes (Grus grus), originating from 8 northern European countries, to examine long-term spatiotemporal distribution dynamics along the Western and Central European flyways. Our results show that the flyway use has remained largely consistent with the previous studies: most cranes follow the Western European flyway, wintering in France and Spain, whilst a smaller proportion follow the Central European flyway, wintering in Hungary and occasionally reaching Israel and North Africa. However, we also observed a pronounced northward shift in wintering distribution over the past 4 decades. At the same time, breeding distributions showed a slight southward expansion, potentially reflecting both population growth and changes in marking effort. Our results demonstrate the importance of long-term monitoring in detecting range shifts and highlight the need for adaptive conservation planning in the face of accelerating climate and land-use change.