Previously included in Porzana; as bill structure and face pattern render it distinct from latter genus, however, has sometimes been placed in Poliolimnas together with Hapalocrex flaviventer (also previously in Porzana), which shows similar characters. Until recently several subspecies commonly recognized, notably †brevipes, ocularis, micronesiae, minima, leucophrys, meeki and tannensis; but differences are slight, not well defined, and subject to overlap. Treated as monotypic.
SE Asia and Greater Sundas through Philippines, Sulawesi, Moluccas and Lesser Sundas to New Guinea and N Australia, and E through Micronesia and Melanesia (S to Vanuatu and New Caledonia) to WC Polynesia (Fiji and Samoa). Formerly also Volcano (Iwo) Is, S of Japan.
Food and feeding
Status and conservation
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