A Tasmanian Devil suffering from a deadly facial tumour disease is seen in this undated handout photo released October 8, 2007. A lack of genetic diversity in Australia's Tasmanian Devil meant it failed to launch an immune defence response to a facial cancer decimating populations, said Australian researchers. The facial cancer produces large tumours on the face and neck of the Tasmanian Devil, found only on the southern Australian island state of Tasmania, which interfere with feeding. Death usually occurs within six months
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