| Nest sanitation behavior in hirundines as a pre-adaptation to egg rejection to counter brood parasitism. | |
MedLine Citation:
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PMID: 25231538 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Previous studies suggested that nest sanitation behavior may have been a pre-adaptation from which egg rejection of brood parasite eggs evolved. We tested this hypothesis in two swallow species, the red-rumped swallow (Cecropis daurica) and the barn swallow (Hirundo rustica). Our results indicated that the red-rumped swallow, which is an accepter of foreign eggs, rejected a low percentage of non-egg-shaped objects and did so less often than the barn swallow, which is an intermediate rejecter of foreign eggs. Furthermore, the egg rejection rates of the barn swallow increased with the increase in rejection rates of non-egg-shaped objects among different populations. These results showed that nest cleaning behavior could have evolved into a means of reducing the costs of brood parasitism, suggesting that egg recognition ability has evolved from recognition of non-egg-shaped objects. This finding advances our understanding of the evolution of egg recognition behavior in birds. |
Authors:
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Canchao Yang; Longwu Wang; Wei Liang; Anders Pape Møller |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2014-9-18 |
Journal Detail:
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Title: Animal cognition Volume: - ISSN: 1435-9456 ISO Abbreviation: Anim Cogn Publication Date: 2014 Sep |
Date Detail:
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Created Date: 2014-9-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9814573 Medline TA: Anim Cogn Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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