Five Films / Black jacobin humingbird (Florisuga fusca) feeding from a nectar feeder, Reserva Ecologica de Guapiacu, Rio de Janeiro, Brazil, 2015.

Five Films / Black jacobin hummingbird (Florisuga fusca) hovering and feeding from a nectar feeder, Reserva Ecologica de Guapiacu, Rio de Janeiro, Brazil, 2015.

Luiz Claudio Marigo / Black jacobin (Florisuga fusca) Atlantic Rainforest, Serra Bonita Private Natural Heritage Reserve (RPPN Serra Bonita), Camacan, Southern Bahia State, Eastern Brazil.

Luiz Claudio Marigo / Black jacobin (Florisuga fusca) Atlantic Rainforest, Serra Bonita Private Natural Heritage Reserve (RPPN Serra Bonita), Camacan, Southern Bahia State, Eastern Brazil.

Luiz Claudio Marigo / Black jacobin (Florisuga fusca) Atlantic Rainforest, Serra Bonita Private Natural Heritage Reserve (RPPN Serra Bonita), Camacan, Southern Bahia State, Eastern Brazil.

Tim Fitzharris / White-necked Jacobin (Florisuga mellivora) male and Golden-tailed Sapphire (Chrysuronia oenone), Trinidad, Caribbean

Tim Fitzharris / White-necked Jacobin (Florisuga mellivora) male and Golden-tailed Sapphire (Chrysuronia oenone), Trinidad, Caribbean