The black jacobin (Florisuga fusca), previously placed in the monotypic Melanotrochilus, is a species of hummingbird in the family Trochilidae. It is found in or near the Atlantic Forest of eastern Brazil, Uruguay, eastern Paraguay, and far north-eastern Argentina. It is generally common, and therefore considered to be of least concern by BirdLife International and consequently the IUCN. Adults of both sexes are overall black with green-tinged back and wing-coverts, an