キノドカラカラ Daptrius ater

Crow-sized raptor typically found around forest edges and rivers. Entirely black except for gleaming white rump and bright facial skin and legs. Similar to Red-throated Caracara that occurs in forest interiors, but has more extensive black plumage and is found in more open habitats. Frequently travels in pairs or groups and is often found around human activity in agricultural areas and riverside towns.