Over the last 230 years, the Australian terrestrial mammal fauna has suffered a very high rate of decline and extinction relative to other continents. 
[2]Predation by the introduced red fox (Vulpes vulpes) and feral cat (Felis catus) is implicated in many of these extinctions, and in the ongoing decline of many extant species.
Original Source [3]
Technology Partners: MimirTech
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/degrees-population-level-susceptibility-australian-terrestrial-non-volant-mammal
[2] http://www.indiaenvironmentportal.org.in/files/file/Red_fox_introduction_Australia.pdf
[3] http://www.publish.csiro.au/wr/pdf/WR18008
[4] http://admin.indiaenvironmentportal.org.in/category/author/james-q-radford
[5] http://admin.indiaenvironmentportal.org.in/category/author/john-c-z-woinarski
[6] http://admin.indiaenvironmentportal.org.in/category/author/sarah-legge-et-al
[7] http://admin.indiaenvironmentportal.org.in/category/journal/wildlife-research
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/wildlife
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/australia
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mammals
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/invasive-alien-species
