Reproductive performance of resident and migrant males, females and pairs in a partially migratory bird

Hannah Grist, Francis Daunt (Corresponding Author), Sarah Wanless, Sarah J. Burthe, Mark A. Newell, Mike P. Harris, Jane M. Reid* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

41 Citations (Scopus)
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Quantifying among-individual variation in life-history strategies, and associated variation in reproductive performance and resulting demographic structure, is key to understanding and predicting population dynamics and life-history evolution. Partial migration, where populations comprise a mixture of resident and seasonally-migrant individuals, constitutes a dimension of life-history variation that could be associated with substantial variation in reproductive performance. However, such variation has rarely been quantified due to the
challenge of measuring reproduction and migration across a sufficient number of seasonally-mobile males and females
Original languageEnglish
Pages (from-to)1010-1021
Number of pages12
JournalJournal of Animal Ecology
Issue number5
Early online date19 Jun 2017
Publication statusPublished - Sept 2017

Bibliographical note

We thank everyone from the Centre for Ecology & Hydrology (CEH) who contributed to data collection, and Scottish Natural Heritage for access to the Isle of May National Nature Reserve. We thank the Scottish Ornithologists’ Club (SOC) for their support, and all volunteer observers, particularly Raymond Duncan, Moray Souter and Bob Swann. HG was funded by a Natural Environment Research Council (NERC) CASE studentship supported by CEH and SOC, FD, SW, MPH, MN and SB were funded by NERC and the Joint Nature Conservation Committee, and JMR was part-funded by the Royal Society. Finally, we thank the Associate Editor and two reviewers for constructive comments on the manuscript.

The data are available from the Dryad Digital Repository (Grist et al., 2017)


  • Carry-over effects
  • European shag
  • demography
  • fitness
  • phenology
  • population structure
  • seabird


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