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Fitness increases with partner and neighbour allopreening

Lewis, Sue; Roberts, Gilbert; Harris, Mike P.; Prigmore, Carina; Wanless, Sarah. 2007 Fitness increases with partner and neighbour allopreening. Biology Letters, 3. 386-389. 10.1098/rsbl.2007.0258

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Abstract/Summary

Altruism and selfishness are fundamental characteristics of human and animal societies. Among colonial biparental species, breeding outcome depends on interactions between mates and neighbours. However, the relationships between cooperation within and among partnerships and fitness have not been fully investigated. We show that in the highly colonial common guillemot (Uria aalge), altruistic behaviour (allopreening) towards a mate was positively related to long-term fitness, whereas allopreening a neighbour was related to current fitness. Turnover is much lower within than between pairs, so our results suggest that allopreening within pairs generates fitness returns at longer timescales than between pairs. Allopreening not only removes ectoparasites and maintains plumage condition, but may also have important social functions. We found a negative relationship between fight rate and allopreen rate between breeding neighbours, with nests exhibiting low breeding success having a higher frequency of fights with neighbours. We also found evidence for reciprocity in allopreening. Thus, allopreening may function as a reciprocal stress reducer, to decrease the likelihood of fights and associated breeding failure. We suggest that altruistic behaviour has long-term benefits for the survival of the offspring when living in a crowded neighbourhood.

Item Type: Publication - Article
Digital Object Identifier (DOI): 10.1098/rsbl.2007.0258
Programmes: CEH Programmes pre-2009 publications > Biodiversity
CEH Sections: Watt
ISSN: 1744-9561
Format Availability: Electronic, Print
Additional Keywords: altruism, allopreening, parental care, conflict, neighbours, Uria aalge
NORA Subject Terms: Zoology
Date made live: 01 Aug 2007 11:27
URI: http://nora.nerc.ac.uk/id/eprint/658

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