Variations in Black Guillemot Cepphus grylle natal dispersal and philopatry across Britain and Ireland

Daniel T. Johnston, Robert W. Furness, Alexandra M. C. Robbins, Mark A. Taggart, Glen Tyler, Elizabeth A. Masden

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Using ring recovery records collected in Britain and Ireland from 1935 to 2015, we investigated philopatry and dispersal in Black Guillemots Cepphus grylle ringed as nestlings and recovered at breeding age during the breeding season. Levels of philopatry and dispersal distance varied between colonies, and were significantly related to latitude, possibly due to differences in ecology between populations. However, an increase in ringing effort is required to allow robust comparisons of these behaviours between colonies.
Original languageEnglish
Pages (from-to)564-569
Number of pages6
JournalBird Study
Issue number4
Early online date18 Jan 2019
Publication statusE-pub ahead of print - 18 Jan 2019


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