At 0625 Bradley saw a large Petrel, size of Duck-sized or slightly smaller dark upper breast white underwing lumps bordered by narrow black edging. Not even a suggestion. All 12 Bonin To Petrel but I headed West (headed N) At 0833 the ship flushed a Sooty Shearwater from the water. It headed NW. At 1412 a large turtle was spotted by watch. At 1845 a medium sized all dark shearwater flew close by ship, Typical shearwater flight but a little smaller than Wedgetail. Called Christmas Is S.