Extended-wing preparation made from a 117- year-old Ivory-billed Woodpecker (Campephilus principalis) specimen

Peter Capainolo, Shannon P. Kenney, Paul R. Sweet, K. Winker
2007 The AUK: A Quarterly Journal of Ornithology  
doi:10.1093/auk/124.2.705 fatcat:2a2socitzfgj7p6ouveplederm