White flashes on the tail of an almost completely black bird is hovering in the air. Not far from me, a hummingbird is feeding on a nectar stick. The ornitologist and German naturalist Helmut Sick described the Black Jacobin (Florisuga fusca) as abundant and the most frequent species of hummingbird in Macai de Cima (or… Continue reading Black Jacobin in the Itatiaia NP/ Rio de Janeiro