Bulwer's petrel (Bulweria bulwerii)

Indonesian –Petrel bulweri

Description: medium-sized (27 cm) sooty brown petrel with paler brown underparts. Pale bar on wings usually visible. Distinguished from Swinhoe’s Storm-petrel by larger size and long, wedge-shaped tail. Iris –brown; bill –black; feet –pinkish

Distribution status: a birds of the oceans. Breeds in northern latitudes and generally not found south of the China Sea but sight records indicate it may now sometimes occur in the Java Sea.

Habits: flies more strongly than storm-petrels with fluttery erratic swooping and high wheeling loops.

Diet: fish.

Streaked Shearwater (Colononectris leucomelas)

Indonesia-Penggunting putih

Description: large (48 cm) shearwater, dark brown above, white below with dark streaks on head and breast. Distinguished from the pale form of the wedge-tailed shearwater by white rather than brown head. Iris –brown: bill –horn: feet –pinkish.

Distribution and status: an oceanic bird, breeding in northern latitudes but ranging south as an occasional vagrant as far as the equator. A recent sighting is claimed for the Java Sea.

Habits: flies low over the sea. Banking from side to side with occasional swoops and frequently gliding so low over water that the wing tips touch surface at bottom of beat.

Diet: fish, squids, plankton and crustaceans.