Supplement 1: Characteristics of sites used to describe relationships between feral cat home range size and landscape productivity, sex and population density. Location Landscape Climate fPAR used Reference Cape Arid, Australia Woodland and heath Mediterranean y S. Comer & D. Algar, unpublished data Dirk Hartog Island, Australia Heath Semi-arid y Hilmer 2010 Dragon Rocks, Australia Woodland and agricultural Semi-arid y J. A. Friend unpublished data Dryandra, Australia Woodland Mediterranean y J. A. Friend unpublished data Fitzgerald River, Australia Woodland and heath Semi-arid y S. Comer & D. Algar, unpublished data Gibson Desert, Australia Spinifex desert Arid n Burrows et al. 2003 Kimberley, Australia† Savanna woodland Steppe y McGregor et al. 2015 Pilbara, Australia Grass, shrub and woodlands Semi-arid y Johnston et al. 2013 Tutanning, Australia Woodland and agricultural Mediterranean y J. A. Friend unpublished data Central Australia† Woodland Semi-arid n Edwards et al. 2001 Flinders Ranges, Australia Grass, shrub and woodlands Semi-arid y Johnston et al. 2012 Roxby Downs, Australia Shrubland and woodland Arid y Moseby et al. 2009 Roxby Downs, Australia Shrubland and woodland Arid y Johnston et al. 2014 Roxby Downs, Australia Shrubland and woodland Arid y K. Moseby unpublished data Kangaroo Island, Australia Woodland and heath Mediterranean y Bengsen et al. 2012 Kangaroo Island, Australia† Woodland and agricultural Mediterranean y Bengsen et al. 2011, 2012 Anglesea, Australia Woodland and heath Temperate y Robley et al. 2008 Canberra, Australia‡ Agricultural Temperate n Barrat 1997 French Island, Australia Grassland and heath Temperate n McTier 2000 Gippsland, Australia Forest Temperate y Buckmaster 2011 Victorian Mallee, Australia Woodland Semi-arid n Jones & Coman 1982 Wilsons Promontory, Australia Forest, woodland and heath Temperate y Johnston 2012 Central west NSW, Australia Grassland and woodland Temperate n Molsher et al. 1995 New England, Australia Forest Temperate y F. Zewe unpublished data Hawkes Bay, New Zealand† Agricultural, swamp and woodland Temperate n Langham & Charleston 1990 Hawkes Bay, New Zealand Agricultural and swamp Temperate n Langham & Porter 1991 Mackenzie Basin & Otago, New Zealand† Grassland Temperate n Norbury et al. 1998 Mackenzie Basin, New Zealand Braided riverbed Temperate y Recio & Seddon 2013 Northland, New Zealand Forest Temperate n Gillies et al. 2007 Otago, New Zealand Grassland Temperate n Alterio et al. 1998 Otago, New Zealand Grassland Temperate n Moller & Alterio 1999 Rimutaka Range, New Zealand Braided riverbed and forest Temperate n Fitzgerald & Karl 1986 Stewart Island, New Zealand† Shrubland and forest Subalpine y Harper 2007 Dassen Island, South Africa Grass and shrubland Mediterranean n Apps 1986 Kerguelen Islands Grassland Sub-Antarctic n Martin et al. 2013 Isabela, Galapagos Islands Open woodland Desert n Konecny 1987 Santa Cruz, Galapagos Islands Open woodland and grassland Desert n Konecny 1987 Guadalupe Island, Mexico Grassland, scrub and forest Desert n Luna-Mendoza et al. 2011 San Clemente Island, California USA Desert scrub Mediterranean n Bridges et al. 2015 Santa Catalina Island, California USA† Grassland, chapparal and sage scrub Mediterranean n Guttilla & Stapp 2010 California, USA Riparian woodland Mediterranean n Hall et al. 2000 Mauna Kea, Hawai'i Semi-arid woodland Subalpine y Goltz et al. 2008 GödöllÅ‘, Hungary Forest Continental n Biró et al. 2003 Po Delta, Italy Agricultural Temperate n Genovesi et al. 1995 † Provided population density estimates that were used to evaluate relationships between home range size and density ‡ data from suburban cats excluded for the present study. 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