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

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 colonie...

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Bibliographic Details
Published in:Bird Study
Main Authors: Johnston, Daniel T., Furness, Robert W., Robbins, Alexandra M. C., Taggart, Mark A., Tyler, Glen, Masden, Elizabeth A.
Format: Article in Journal/Newspaper
Language:English
Published: 2019
Subjects:
Black guillemot
Cepphus grylle
Online Access:https://pure.uhi.ac.uk/en/publications/5d6466f0-a21c-4bda-a8d5-8d172d32d8a4
https://doi.org/10.1080/00063657.2018.1556596
https://pureadmin.uhi.ac.uk/ws/files/3660889/Black_guillemot_natal_dispersal_and_philopatry_Short_Report_FINAL.docx
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Summary: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.

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