[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.
The birds of Norfolk & Lord Howe Islands and the Australasian South Polar quadrant :London :H.F. & G. Witherby,1928.biodiversitylibrary.org/page/58795173
One day while we were doing routine maintenance on the Bonin boxes we opened one up and a pair were inside. Very early prospectors! I unslung my camera to get a few photographs before leaving them be. Like many prospecting petrels they will hang out in their sites for several months before breeding. Tern Island, Northwestern Hawaiian Islands. USFWS PD