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dc.contributor.authorPalomares, F.-
dc.contributor.authorRoques, Séverine-
dc.contributor.authorChávez, Cuauhtémoc-
dc.contributor.authorSilveira, Leandro-
dc.contributor.authorKeller, Claudia-
dc.contributor.authorSollmann, Rahel-
dc.contributor.authorPrado, Denise Mello do-
dc.contributor.authorTorres, Patricia Carignano-
dc.contributor.authorAdrados, Begoña-
dc.contributor.authorGodoy, Jose A.-
dc.contributor.authorJácomo, Anah Tereza de Almeida-
dc.contributor.authorTôrres, N. M.-
dc.contributor.authorFurtado, Mariana Malzoni-
dc.contributor.authorLópez-Bao, José Vicente-
dc.date.accessioned2020-04-24T17:00:54Z-
dc.date.available2020-04-24T17:00:54Z-
dc.date.issued2012-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/14722-
dc.description.abstractFaeces provide relevant biological information which includes, with the application of genetic techniques, the sex and identity of individuals that defecated, thus providing potentially useful data on the behaviour and ecology of individuals, as well as the dynamics and structure of populations. This paper presents estimates of the sex ratio of different felid species (jaguar, Panthera onca; puma, Puma concolor; and ocelot/margay, Leopardus pardalis/Leopardus wiedi) as observed in field collected faeces, and proposes several hypotheses that could explain the strikingly high proportion of faeces from male jaguars. The proportion of male and female faeces was estimated using a non-invasive faecal sampling method in 14 study areas in Mexico and Brazil. Faecal samples were genetically analysed to identify the species, the sex and the individual (the latter only for samples identified as belonging to jaguars). Considering the three species, 72.6% of faeces (n = 493) were from males; however, there were significant differences among them, with the proportion from males being higher for jaguars than for pumas and ocelots/margays. A male-bias was consistently observed in all study areas for jaguar faeces, but not for the other species. For jaguars the trend was the same when considering the number of individuals identified (n = 68), with an average of 4.2±0.56 faeces per male and 2.0±0.36 per female. The observed faecal marking patterns might be related to the behaviour of female jaguars directed toward protecting litters from males, and in both male and female pumas, to prevent interspecific aggressions from male jaguars. The hypothesis that there are effectively more males than females in jaguar populations cannot be discarded, which could be due to the fact that females are territorial and males are not, or a tendency for males to disperse into suboptimal areas for the species. © 2012 Palomares et al.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 7, Número 12pt_BR
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/br/*
dc.subjectBehavior, Animalsen
dc.subjectControlled Studyen
dc.subjectFecesen
dc.subjectFeces Analysisen
dc.subjectFelidaeen
dc.subjectFemaleen
dc.subjectField Studyen
dc.subjectGenetic Analysisen
dc.subjectGeographic Distributionen
dc.subjectInterspecific Competitionen
dc.subjectLeopardus Paradalisen
dc.subjectLeopardus Wiedien
dc.subjectMaleen
dc.subjectMexicoen
dc.subjectNon Invasive Measurementen
dc.subjectNonhumanen
dc.subjectPantheraen
dc.subjectPanthera Oncaen
dc.subjectPopulation Dynamicsen
dc.subjectPumaen
dc.subjectPuma Concoloren
dc.subjectSex Ratioen
dc.subjectSpecies Identificationen
dc.subjectAnimalssen
dc.subjectDefecationen
dc.subjectFecesen
dc.subjectFelidaeen
dc.subjectFemaleen
dc.subjectMaleen
dc.subjectMexicoen
dc.subjectPantheraen
dc.subjectPopulationen
dc.subjectPopulation Densityen
dc.subjectPumaen
dc.subjectSex Ratioen
dc.subjectSpecies Specificityen
dc.subjectFelidaeen
dc.subjectLeopardusen
dc.subjectPanthera Oncaen
dc.subjectPuma Concoloren
dc.titleHigh Proportion of Male Faeces in Jaguar Populationsen
dc.typeArtigopt_BR
dc.identifier.doi10.1371/journal.pone.0052923-
dc.publisher.journalPLoS ONEpt_BR
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