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  • Diet and habitat associations of bush dogs Speothos venaticus in the Interior Atlantic Forest of eastern Paraguay

  • Gerald L. Zuercher, Philip S. Gipson, Osvaldo Carrillo
  • Journal:
    Oryx / Volume 39 / Issue 1 / January 2005
    Published online by Cambridge University Press:
    14 January 2005, pp. 86-89
    Print publication:
    January 2005
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  • The diet and habitat associations of bush dogs Speothos venaticus, categorized as Vulnerable on the IUCN Red List, are virtually unknown in the wild. In eastern Paraguay, bush dogs occur in the Reserva Natural del Bosque Mbaracayú. The Reserve contains one of the largest remaining fragments of the Interior Atlantic Forest in Paraguay as well as cerrado and grassland habitats. We analysed bush dog faeces to determine their diet. Bush dogs in the Reserve mostly ate vertebrates. Although small mammals (marsupials and rodents) were the most numerically dominant foods, agoutis Dasyprocta azarae and pacas Cuniculus paca represented 90.5% of biomass consumed. Cecropia fruit was also present in the diet. This is the first documentation of fruit consumption by bush dogs. Signs of bush dogs were detected in all habitats, with the greatest proportion in high forest.