Seven subspecies have been proposed for ''C. bennetti'' over the years, based on physical differences. Current consensus indicates only one species, with no subspecies<ref>http://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=05A7A5643DE9C32A&sec=summary&ssver=1</ref>.
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Seven subspecies have been proposed for ''C. bennetti'' over the years, based on physical differences. Current consensus indicates only one species, with no subspecies.<ref>http://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=05A7A5643DE9C32A&sec=summary&ssver=1</ref>
*''Casuarius bennetti bennetti''
*''Casuarius bennetti bennetti''
*''Casuarius bennetti goodfellowi''
*''Casuarius bennetti goodfellowi''
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==Threats==
==Threats==
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Man is the predominant threat to cassowaries. Logging and the construction of airstrips have opened up dense forested areas of New Guinea; whether or not the additional hunting which followed had a unique impact on numbers remains to be seen. According to the IUCN Red Data List, the overall population of ''C. bennetti'' is declining, but an accurate count is difficult to get due to the area concerned<ref>http://www.iucnredlist.org/details/22678111/0</ref><ref>http://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=7751E0D145194220</ref>.
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Man is the predominant threat to cassowaries. Logging and the construction of airstrips have opened up dense forested areas of New Guinea; whether or not the additional hunting which followed had a unique impact on numbers remains to be seen. According to the IUCN Red Data List, the overall population of ''C. bennetti'' is declining, but an accurate count is difficult to get due to the area concerned.<ref>http://www.iucnredlist.org/details/22678111/0</ref><ref>http://avibase.bsc-eoc.org/species.jsp?lang=EN&avibaseid=7751E0D145194220</ref>