A comparative study of egg mass and clutch size in the Anseriformes

The factors explaining interspecific differences in clutch investment in precocial birds are poorly understood. We investigated how variations in clutch characteristics are related to environmental factors in a comparative study of 151 extant species of ducks, geese and swans (Anseriformes). Egg mas...

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Detalhes bibliográficos
Autores: Figuerola, Jordi, Green, Andy J.
Formato: artículo
Fecha de publicación:2006
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/40846
Acesso em linha:http://hdl.handle.net/10261/40846
Access Level:acceso abierto
Palavra-chave:Clutch mass
Clutch size
Egg size
Sexual dimorphism
Waterfowl
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spelling A comparative study of egg mass and clutch size in the AnseriformesFiguerola, JordiGreen, Andy J.Clutch massClutch sizeEgg sizeSexual dimorphismWaterfowlThe factors explaining interspecific differences in clutch investment in precocial birds are poorly understood. We investigated how variations in clutch characteristics are related to environmental factors in a comparative study of 151 extant species of ducks, geese and swans (Anseriformes). Egg mass was negatively related to clutch size in a phylogenetic regression, a relationship that was much stronger when controlling for female mass. Nest placement was related to both egg size and clutch size, with cavity-nesting species laying more but smaller eggs. Egg size was positively correlated with incubation period and with female mass, and also with sexual size dimorphism (i.e. male mass relative to that of the female). Clutch size was not related to female mass. Species with long term pair bonds laid smaller clutches and larger eggs. The size of the breeding range was strongly positively correlated with clutch size and clutch mass, and its inclusion in multivariate models made other biogeographical variables (hemisphere, breeding latitude or insularity) non-significant. The small clutches in insular species appear to be a product of small range size rather than insularity per se. Our results suggest there is an evolutionary trade-off between clutch and egg size, and lend support to Lack’s resource-limitation hypothesis for the waterfowl.Peer reviewedSpringer Nature201120112006info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501http://hdl.handle.net/10261/40846reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttp://www.springerlink.com/content/pp287726642181t6/fulltext.pdfinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/408462026-05-22T06:33:51Z
dc.title.none.fl_str_mv A comparative study of egg mass and clutch size in the Anseriformes
title A comparative study of egg mass and clutch size in the Anseriformes
spellingShingle A comparative study of egg mass and clutch size in the Anseriformes
Figuerola, Jordi
Clutch mass
Clutch size
Egg size
Sexual dimorphism
Waterfowl
title_short A comparative study of egg mass and clutch size in the Anseriformes
title_full A comparative study of egg mass and clutch size in the Anseriformes
title_fullStr A comparative study of egg mass and clutch size in the Anseriformes
title_full_unstemmed A comparative study of egg mass and clutch size in the Anseriformes
title_sort A comparative study of egg mass and clutch size in the Anseriformes
dc.creator.none.fl_str_mv Figuerola, Jordi
Green, Andy J.
author Figuerola, Jordi
author_facet Figuerola, Jordi
Green, Andy J.
author_role author
author2 Green, Andy J.
author2_role author
dc.subject.none.fl_str_mv Clutch mass
Clutch size
Egg size
Sexual dimorphism
Waterfowl
topic Clutch mass
Clutch size
Egg size
Sexual dimorphism
Waterfowl
description The factors explaining interspecific differences in clutch investment in precocial birds are poorly understood. We investigated how variations in clutch characteristics are related to environmental factors in a comparative study of 151 extant species of ducks, geese and swans (Anseriformes). Egg mass was negatively related to clutch size in a phylogenetic regression, a relationship that was much stronger when controlling for female mass. Nest placement was related to both egg size and clutch size, with cavity-nesting species laying more but smaller eggs. Egg size was positively correlated with incubation period and with female mass, and also with sexual size dimorphism (i.e. male mass relative to that of the female). Clutch size was not related to female mass. Species with long term pair bonds laid smaller clutches and larger eggs. The size of the breeding range was strongly positively correlated with clutch size and clutch mass, and its inclusion in multivariate models made other biogeographical variables (hemisphere, breeding latitude or insularity) non-significant. The small clutches in insular species appear to be a product of small range size rather than insularity per se. Our results suggest there is an evolutionary trade-off between clutch and egg size, and lend support to Lack’s resource-limitation hypothesis for the waterfowl.
publishDate 2006
dc.date.none.fl_str_mv 2006
2011
2011
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/40846
url http://hdl.handle.net/10261/40846
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv http://www.springerlink.com/content/pp287726642181t6/fulltext.pdf
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Springer Nature
publisher.none.fl_str_mv Springer Nature
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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