Last confirmed sighting was 60 years ago Wildlife scientists confirmed on Thursday that a bird long thought extinct, the Ivory-billed woodpecker , has been found in Arkansas .
<clarity> Last confirmed sighting was 60 years ago Wildlife scientists confirmed on Thursday that a bird long thought extinct, the Ivory-billed woodpecker , has been found in Arkansas .
 Wildlife scientists confirmed on Thursday that a bird long thought extinct, the Ivory-billed woodpecker , has been found in Arkansas .