Physical Description
58 cm tall. Has two color phases: a) dark phase - slaty black upperparts, underparts brownish blue, white stripe on chin, bill blackish; b) white phase - all white, bill yellow, legs greenish. Brownish when immature.
Biology and Life History
Habitat and Ecology
Rocky coastal areas, sandy beaches and islets
Distribution
Japan to New Zealand and West Pacific islands. Found all over the Philippines
Where it is found in El Nido
Remarks
Fairly common to common resident in the Philippines
Status
active
References
Gonzales, J. C. T. 1997. A Guide to the Birds of El Nido, Northern Palawan, Philippines. Ten Knots Development Corporation, Manila. 32 p.
