Territorial behaviour and dominance hierarchy of Anthracothorax nigricollis Vieillot 1817 (Aves: Trochilidae) on food resources

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dc.contributor.authorAraujo-Silva, Lucas Eduardo
dc.contributor.authorBessa, Eduardo [UNESP]
dc.contributor.institutionMuseu Paraense Emilio Goeldi
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:34:16Z
dc.date.available2014-05-20T15:34:16Z
dc.date.issued2010-06-01
dc.description.abstractDominant species are those which delimit and defend territories from other individuals of the same or different species. Subordinate species are those which, furtive and sneakily, use sources of nectar from other individuals. This study aimed to describe the aggressive interactions between species of hummingbirds, define which species are dominant and which are subordinate, investigate if the sharing of resources occurs during the visits, and compare the behaviour of the dominant species in different strata (tree, arbustive and herbaceous). The species observed interacting with Anthracothorax nigricollis Vieillot 1817 were Phaethornis pretrei Lesson and Delattrer 1839, Thalurania furcata Gmelin 1788, and Polytmus guainumbi Pallas 1764. Nine behavioural acts grouped into four categories were identified and described. The dominant species is A. nigricollis (with 0.9 of the attacks), followed by T. furcata (with 0.07) and P. pretrei (with 0.03). The resource sharing was seen only in the shrub layer, in C. surinamensis, in which there was intraspecific and interspecific sharing. A. nigricollis showed higher interspecific toleration, T. furcata (0.27) and P. pretrei (0.55) than intraspecific A. nigricollis (0.18). The frequency of occurrence of behaviours expressed by A. nigricollis in the three vegetation strata differed significantly.en
dc.description.affiliationMuseu Paraense Emilio Goeldi, Dept Zool, BR-66077830 Belem, Para, Brazil
dc.description.affiliationUniv Estadual Paulista, Dept Zool & Bot, Programa Posgrad Biol Anim, Inst Biol Letras & Ciencias Exatas, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Zool & Bot, Programa Posgrad Biol Anim, Inst Biol Letras & Ciencias Exatas, São Paulo, Brazil
dc.description.sponsorshipL. E. A. S. in Biological Sciences at Universidade do Estado de Mato Grosso (UNEMAT)
dc.format.extent89-96
dc.identifierhttp://www.ararajuba.org.br/sbo/ararajuba/artigos/Volume182/RBO182art2.pdf
dc.identifier.citationRevista Brasileira de Ornitologia. Vicosa: Soc Brasileira Ornitologia, v. 18, n. 2, p. 89-96, 2010.
dc.identifier.fileWOS000208354200002.pdf
dc.identifier.issn0103-5657
dc.identifier.urihttp://hdl.handle.net/11449/42482
dc.identifier.wosWOS:000208354200002
dc.language.isoeng
dc.publisherSoc Brasileira Ornitologia
dc.relation.ispartofRevista Brasileira de Ornitologia
dc.relation.ispartofjcr0.565
dc.relation.ispartofsjr0,329
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjecthummingbirdsen
dc.subjectethogramen
dc.subjectresource sharingen
dc.subjectaggressionen
dc.titleTerritorial behaviour and dominance hierarchy of Anthracothorax nigricollis Vieillot 1817 (Aves: Trochilidae) on food resourcesen
dc.typeArtigo
dcterms.licensehttp://www.ararajuba.org.br/sbo/ararajuba/revbrasorn.htm
dcterms.rightsHolderSoc Brasileira Ornitologia

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