The Feeding Ecology of a Decreasing Feral House Cat, Felis catus, Population at Marion Island

  • P. J. J. van Rensburg


A significant change has occurred in the diet of feral House Cats, Felts catus, at Marion Island, concomitant with an artificial reduction in the Cat population. Prior to population-reduction operations, burrowing petrels (Procellariidae) and the House Mouse, Mus musculus, constituted the main prey of the Cats. After control operations, the diet of the decreasing Cat population contained an increased proportion of House Mice, and the Kerguelen Petrel, Pterodroma brevirostris, no longer featured as a food item. The causes and effects of this change are discussed in terms of the flow of energy through the Cat population.


Prey Item House Mouse Blue Petrel Prey Remains Mammal Research Institute 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1985

Authors and Affiliations

  • P. J. J. van Rensburg
    • 1
  1. 1.Mammal Research InstituteUniversity of PretoriaPretoriaSouth Africa

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