Oruguero culiblanco Coracina leucopygia

A chunky bird with a thick bill, a gray body, a black face, a beady eye, and a white belly and rump that contrast with a black tail. Paler juvenile shows barring on underside. Small groups frequent canopy in open wooded areas, mangroves, and swamp forest. Found only in a restricted range on Sulawesi and satellite islands. Differs from female Pied Cuckooshrike in having a pale eye, and also occupies more open habitats. Frequently gives an excited jangling call, “zrrrirup,” that rapidly ascends and then descends; also gives other chattering and rasping notes.