A black-and-white monarch restricted to Indonesia's Kai Islands. Adults are black, with a white lower chest, belly, and outer tail feathers.
Adults are mostly black, with white on the lower chest, belly, and outer tail feathers. The bill is heavy and conspicuous.
It occurs alone or in pairs in lowland and low-hill mangroves, forest, forest edge, and woodland; it also joins mixed-species flocks.
Its song is a two-syllable whistle that descends in the second half; it also gives raspy scolding and weak wavering calls.
Juveniles are gray-brown above and buffy below.
An extinction-risk assessment has not been added yet.