An unmistakable, turkey-sized, black bird with conspicuous red facial and throat patches and a large, black, decurved bill. The toes are distinctively arched. In flight, it shows broad white outer wings.
Female is distinguished from male by having a blue throat patch. Juvenile differs from adult in having yellow (not red) facial and throat patches.
Savanna, woodland and grassland with adjoining forests.
A loud, booming duet 'ooomph ooomph', given early in the morning.