Ivory-billed woodpecker, nearly 2 dozen other species have been declared extinct by US
                                
                                
                                    (Newser) -
                                    Wednesday is set to be a sad day for nearly two dozen endangered species, with all hope gone that we'll ever see them again. Federal wildlife authorities are expected to announce that the ivory-billed woodpecker, Bachman's warbler, and 20 other animals, as well as one plant, are now...