Java = eastern Java.
Hitherto treated as conspecific with A. melanopterus and A. tertius, but differs from latter in characters given under that species (which see), and from former in its grey vs white mantle to rump (3); black vs white greater coverts and frontally white, distally black vs all-white scapulars (3); purer white (no yellowish tinge to) crown feathers and often breast, vent and tail tips (1); slightly shorter bill (effect size −0.64, score 1); narrow area of hybridization occurs just SE of Surabaya, e.g. Gunung Arjuno (2). Monotypic.
SE Java (E of Tosari), formerly widespread but currently recorded only in Baluran National Park and Alas Purwo National Park.
Food and feeding
Status and conservation
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