Survival and non-breeding of adult common guillemots Uria aalge.
Harris, M.P. 
ORCID: https://orcid.org/0000-0002-9559-5830; Wanless, S. ORCID: https://orcid.org/0000-0002-2788-4606.
1995
Survival and non-breeding of adult common guillemots Uria aalge.
Ibis, 137 (2).
192-197.
https://doi.org/10.1111/j.1474-919X.1995.tb03239.x
Abstract/Summary
Annual survival of colour-ringed Common Guillemots Uria aalge with at least 1 year of breeding experience was measured in five study areas on the Isle of May, southeast Scotland from 1982 to 1993. Annual survival averaged 94.9%. There were no significant sex, year or area differences. Between 5% and 10% of the birds known to be alive in any year did not breed, and on average such birds appeared to survive less well (87%) than breeders (95%). Non-breeding did not occur randomly within the population, and 6% of birds accounted for 47% of the cases of non-breeding. It appeared that non-breeding in Common Guillemots on the Isle of May was socially induced with most cases occurring after an individual had lost its site.
| Item Type: | Publication - Article |
|---|---|
| Digital Object Identifier (DOI): | https://doi.org/10.1111/j.1474-919X.1995.tb03239.x |
| Programmes: | CEH Programmes pre-2009 publications > Other |
| UKCEH and CEH Sections/Science Areas: | _ Pre-2000 sections |
| ISSN: | 0019-1019 |
| Additional Keywords: | Isle of May |
| NORA Subject Terms: | Zoology |
| Date made live: | 10 Dec 2010 17:15 +0 (UTC) |
| URI: | https://nora.nerc.ac.uk/id/eprint/12670 |
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