NINE EXTINCT SPECIES GENOMES. “Whole genomes … have been shotgun-sequenced and reassembled from eight extinct species so far. The woolly mammoth is one of them; early next year the passenger pigeon will be the ninth … Research … is now under way. Encouraging answers are not guaranteed.”
http://e360.yale.edu/feature/the_case_for_de-extinction_why_we_should_bring_back_the_woolly_mammoth/2721/