ibi12060-sup-0001-AppendixS1-S3.docWord document346K

Appendix S1. Estimation of the total number of adult Shags checked for colour-rings on the Isle of May and at other breeding colonies.

Appendix S2. The degree to which incomplete detection of breeding adult Shags on Isle of May or elsewhere might have caused estimated distributions of dispersal distances and directions to be biased.

Appendix S3. Winter roost sites surveyed for colour-ringed adult Shags during 2008–2010, and winter locations of observed individuals.

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