Agustín Paviolo, Carlos Daniel De Angelo, Yamil Edgardo Di Blanco and Mario Santiago Di Bitetti: Jaguar “Panthera onca” population decline in the Upper Paraná Atlantic Forest of Argentina and Brazil. Oryx (2008), 42: 554–561, doi:10.1017/S0030605308000641.
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UNEP-WCMC: IGUAZÚ NATIONAL PARK, ARGENTINA. World Heritage Sites, Protected Areas and World Heritage. Last update: May 2011 PDF (Memento vom 11. August 2011 im Internet Archive)