Paternal effects in the initiation of migratory behaviour in birds

V. Méndez*, J. A. Gill, B. Þórisson, S. R. Vignisson, T. G. Gunnarsson, J. A. Alves

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

What determines why some birds migrate and others do not? This question is fundamental to understanding how migratory systems are responding to environmental changes, but the causes of individual migratory behaviours have proven difficult to isolate. We show that, in a partially migratory population of Eurasian oystercatchers (Haematopus ostralegus), the migratory behaviour of progeny follows paternal but not maternal behaviour, and is unrelated to timing of hatching or fledging. These findings highlight the key role of social interactions in shaping the migratory behaviour of new generations, and thus the spatio-temporal distribution of migratory populations.

Original languageEnglish
Article number2782
Pages (from-to)2782
JournalScientific Reports
Volume11
Issue number1
DOIs
Publication statusPublished - 2 Feb 2021

Bibliographical note

Funding Information:
We thank everyone who contributed to data collection, particularly Aldís Pálsdóttir, Birgitta Steingrímsdóttir, Camilo Carneiro, Catriona Morrison, Miguel Araújo, Ólafur Torfason, Guðmundur Benediktsson, Cristian Gallo, Juan Carlos Illera, Rebecca Laidlaw, Harry Ewing and Graham Appleton. We also thank all volunteer observers for reporting observations of marked birds, Tamar Lok for providing R-code and Jelle Loonstra and an anonymous referee for very helpful comments. This work was supported by NERC (NE/M012549/1), RANNIS (Grant 152470-052), University of Iceland Research Fund and CESAM (UIDP/ 50017/2020 + UIDB/ 50017/2020) through national funds (FCT/MCTES).

Publisher Copyright:
© 2021, The Author(s).

Other keywords

  • Animal Migration
  • Animals
  • Behavior, Animal
  • Birds
  • Seasons

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