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dc.contributor.authorMartins, Flávia de Campospt_BR
dc.contributor.authorDias, Manoel Martinspt_BR
dc.date.accessioned2017-12-07T04:37:45Z-
dc.date.available2017-12-07T04:37:45Z-
dc.date.issued2003-12pt_BR
dc.identifier.citationMARTINS, Flávia de Campos; DIAS, Manoel Martins. Cuidado parental de Sula leucogaster (Boddaert) (Aves, Pelecaniformes, Sulidae) nas Ilhas dos Currais, Paraná, Brasil. Revista Brasileira de Zoologia, v. 20, n. 4, p. 583-589, dez. 2003. DOI: https://doi.org/10.1590/S0101-81752003000400004. Disponível em: https://www.scielo.br/j/rbzool/a/Y5RSRJ6NTBCnmJ89CmfWsMN/?lang=pt#. Acesso em: 10 ago. 2021.pt_BR
dc.identifier.urihttp://repositorio.unb.br/handle/10482/26022-
dc.language.isoptpt_BR
dc.publisherSociedade Brasileira de Zoologiapt_BR
dc.rightsAcesso Abertopt_BR
dc.titleCuidado parental de Sula leucogaster (Boddaert) (Aves, Pelecaniformes, Sulidae) nas Ilhas dos Currais, Paraná, Brasilpt_BR
dc.title.alternativeParental care in Sula leucogaster (Boddaert) (Aves, Pelecaniformes, Sulidae) on the Currais Islands, Paraná, Brazil-
dc.typeArtigopt_BR
dc.subject.keywordReprodução animalpt_BR
dc.subject.keywordAve marinhapt_BR
dc.rights.licenseRevista Brasileira de Zoologia - This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY NC). Fonte: https://www.scielo.br/j/rbzool/a/Y5RSRJ6NTBCnmJ89CmfWsMN/?lang=pt#. Acesso em: 10 ago. 2021.-
dc.identifier.doihttps://dx.doi.org/10.1590/S0101-81752003000400004pt_BR
dc.description.abstract1In Sula leucogaster (Boddaert, 1783) it happens a brood reduction from two to one egg. The eggs hatch asynchronously and it is rare for the second chick to survive for long. A quantify parental investment is proposed and the differences between males and females of Sula leucogaster is verified for to help to understand the brood reduction. The studies were conducted on Ilhas dos Currais, Paraná, Brazil, where a total of 140 nests were studied. Males and females shared the breeding care period. However, females invested about 8% more on incubation than males (c² = 7,37; c² critic = 3,842). Time of absence in the nest for females was larger than for males (c² = 13,9; c² critic = 3,842). This is probably a function of females bringing food to chicks more frequently (61%, n = 120) than males (c² = 5,63; c² critic = 3,842). The main parental investment during the phases with eggs and/or hatchings was protection, and during the postfledging period was to provide feeding. The brood reduction in S. leucogaster is due to the high cost of rearing two chicks during the same breeding attempt. This could be a disadvantage to the future survival and/or the reproduction of both parents and chicks.-
dc.description.unidadeFaculdade de Economia, Administração, Contabilidade e Gestão de Políticas Públicas (FACE)pt_BR
dc.description.unidadeDepartamento de Economia (FACE ECO)pt_BR
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