[syn. Pterodroma phaeopygia, Pterodroma phaeopygia sandwichensis]Uau or Hawaiian petrelProcellariidae (Shearwater family)IUCN: VulnerableEndemic to the Hawaiian Islands (formerly all the main Hawaiian Islands except Niihau; still extant, but extinct on Oahu)Oahu, unspecified locationThe late Alan C. Ziegler (1926-2003), zoologist, identified these few priceless bones for me in 1992 with his notes.