Fort Worth Zoo welcomes 2 critically endangered Sumatran tiger cubs, a historic firstScienceOct 2 at 8:51 AM – Oct 2 at 3:47 PM3 outletsUnited StatesABC NewsTexas zoo welcomes first Sumatran tiger cubs seen Oct 2 at 9:18 AMKING 5Fort Worth Zoo celebrates historic first births of rare Sumatran tiger cubs Oct 2 at 8:51 AMThe Dallas Morning NewsFort Worth Zoo welcomes 2 critically endangered Sumatran tiger cubs, a historic first seen Oct 2 at 3:47 PM