Coucal vert Centropus viridis

A large, long-tailed bird of open or disturbed areas from the lowlands to middle elevations in the mountains. Entirely black except for rufous wings. A black-winged race from Mindoro occurs, as does an uncommon white form on Luzon. Forages for insects and other animal prey, on or close to the ground. Similar to Black-hooded Coucal, but has a black rather than brown belly and is found in more open habitats. Much larger than Lesser Coucal. Voice includes a slightly descending series of repeated “wok!” notes and a short, explosive “jek-wok-wok!”