Fall colony attendance and breeding success in the common murre

Harris, M. P.; Wanless, S.. 1989 Fall colony attendance and breeding success in the common murre. Condor, 91 (1). 139-146.

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The visits of Common Murres (Uria aalge) to breeding sites were documented in each October 1982-1987. Individually-marked birds almost invariably returned to their own breeding sites. There was no evidence that immatures, or adults from other colonies, visited the colony. The most frequently occupied sites were those which had been successful the previous season. The numbers of visits to sites increased with increasing numbers of neighbors and were higher for sites in the center of the cliff than for sites at the top and bottom. Blocking sites for 4 months did not prevent birds breeding the next season. Fall colony visiting could be explained by (a) competition for the best sites, or (b) birds returning to maintain the pair bond.

Item Type: Publication - Article
Programmes: CEH Programmes pre-2009 publications > Other
UKCEH and CEH Sections/Science Areas: _ Pre-2000 sections
ISSN: 0010-5422
Additional Keywords: Isle of May, Murres, Uria aalge, Guillemots
NORA Subject Terms: Zoology
Date made live: 10 Oct 2008 14:02 +0 (UTC)

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