Oruguero aliblanco Analisoma ostenta

A medium-sized, fairly long-tailed bird of forest and edge from the lowlands to middle elevations in the mountains on Panay and Negros. Gray on the crown, back, and rump. Has black wings with a large white patch, a black tail with white tips, and white under the base of the tail. Male has a black forehead, face, and chest, whereas the female has pale gray underparts. Similar to Bar-bellied Cuckooshrike, but smaller, lacking the barring on the belly, with white on the wing. Voice includes a harsh rising and falling shriek repeated at intervals.