2005
DOI: 10.1590/s0101-81752005000100021
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Comparative lengths of digestive tracts of seven didelphid marsupials (Mammalia) in relation to diet

Abstract: The relative proportions of the digestive tract were rarely explored to understand the behaviour and the ecology of neotropical marsupials. In this study, proportions of the digestive tract and diet were compared in seven opossum species. The animals studied were Didelphis albiventris Lund, 1840, D. aurita Wied-Neuwied, 1826, Metachirus nudicaudatus (Desmarest, 1817), Philander frenatus (Olfers, 1818), Lutreolina crassicaudata Desmarest, 1804, Monodelphis sorex (Hensel, 1872) and Caluromys lanatus (Olfers, 181… Show more

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Cited by 31 publications
(44 citation statements)
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“…Didelphis aurita has been considered as mostly omnivorous (Santori et al, 1995;, but sometimes it is characterized as being mostly frugivore as well (Stallings, 1989;Cáceres and Monteiro-Filho, 2001;2005). In fact, this species is very opportunistic, consuming food resources according to their availability in the environment Cáceres, 2003).…”
Section: Discussion the Frugivory By The Opossummentioning
confidence: 99%
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“…Didelphis aurita has been considered as mostly omnivorous (Santori et al, 1995;, but sometimes it is characterized as being mostly frugivore as well (Stallings, 1989;Cáceres and Monteiro-Filho, 2001;2005). In fact, this species is very opportunistic, consuming food resources according to their availability in the environment Cáceres, 2003).…”
Section: Discussion the Frugivory By The Opossummentioning
confidence: 99%
“…On the other hand, frugivores have specific characteristics as well, such as vision or olfaction acuity, reduced or modified teeth, large caeca and hard guts, and/ or arboreal habitats (Vieira and Astúa de Moraes, 2003;Cáceres, 2005). Toucans, guans, several primates, and some carnivores, such as kinkajous, are good examples of specialized fruit eaters among vertebrates (Galetti and Pedroni, 1994;Peres, 1994;Galetti et al, 1997;JulienLaferrière, 1999;Da Silva and Tabarelli, 2000).…”
Section: Introductionmentioning
confidence: 99%
“…A dieta frugívora-onívora é corroborada pela morfologia do estômago e intestino (Caceres 2005), e análises fecais de estudo realizado em floresta contínua no Rio de Janeiro encontraram frutos de oito espécies diferentes como ositens mais freqüentes e abundantes, em análises fecais de outros estudos foram encontrados também besouros, borboletas e outros insetos . Sementes também foram observadas nas fezes de indivíduos coletados no Planalto Atlântico de São Paulo (Gaspar 2005).…”
Section: Dietaunclassified
“…A dieta pode variar entre diferentes classes etárias, sendo algumas cobras fossorias mais consumidas por jovens e mamíferos e aves mais consumidos por indivíduos adultos (Caceres 2002). A dieta onívora é corroborada também pelo comprimento similar de todos os segmentos do trato digestivo (Caceres 2005). …”
Section: Caracterização Do Uso De Habitats No Planalto Atlântico De Sunclassified
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