Mike Potts / White-throated hummingbird (Leucochloris albicollis) and female Brazilian ruby (Clytolaema rubricauda) Santa Teresa, Rio de Janeiro, Brazil.

Mike Potts / White-throated hummingbird (Leucochloris albicollis) Santa Teresa, Rio de Janeiro, Brazil.

Luiz Claudio Marigo / White-throated hummingbird (Leucochloris albicollis) perched in Atlantic Rainforest, Serrinha do Alambari Environmental Protection Area, Rio de Janeiro State, Southeastern Brazil.

Luiz Claudio Marigo / White-throated hummingbird (Leucochloris albicollis) in the Atlantic Rainforest, at Serrinha do Alambari Environmental Protection Area, municipality of Resende, Rio de Janeiro State, Southeastern Braz...