Agustin Esmoris / White-throated Hummingbird (Leucochloris albicollis) feeding on flower nectar, Argentina

Agustin Esmoris / White-throated Hummingbird (Leucochloris albicollis) feeding on flower nectar, Argentina

Agustin Esmoris / Black-throated Mango (Anthracothorax nigricollis) hummingbird feeding on flower nectar, Argentina

Bence Mate / White-throated Mountain Gem (Lampornis castaneoventris), Green-crowned Brilliant (Heliodoxa jacula) group of three with one in flight, Savegre, Costa Rica

Gerrit Vyn / Male White-throated Mountain Gem (Lampornis castaneoventris). Tamalanca Mountains, Costa Rica. May.

Agustin Esmoris / Bananaquit (Coereba flaveola) with Black-throated Mango (Anthracothorax nigricollis) feeding on flower nectar, Argentina

Bence Mate / White-throated mountain gem hummingbirds (Lampornis castaneoventris) fighting, Savegre, Costa Rica

Melvin Grey / White-throated mountain gem hummingbird (Lampornis castaneoventris) hummingbird male perched, Sevegre Valley, Costa Rica.

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

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

Glenn Bartley / Variable Mountain-gem (Lampornis castaneoventris) female, Costa Rica

Ben Lascelles / White-throated Mountain Gem (Lampornis castaneoventris). Los Quetzales, Chiriqui, Panama.

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.

Kim Taylor / Grey-tailed mountain-gem (Lampornis castaneoventris cinereicauda) female perched, Costa Rica

MYN / Alfonso Lario / Sapphire throated hummingbird (Lepidopyga coeruleogularis) feeding from flower, tropical rainforest, Burbayar, Panama, November. meetyourneighbours.net project

Roland Seitre / White-throated Mountain-gem Hummingbird (Lampornis castaneoventris). Savegre, Cerro de la Muerte, Costa Rica.

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

Steve Gettle / Variable Mountain-gem (Lampornis castaneoventris) hummingbird, Costa Rica

Steve Gettle / Variable Mountain-gem (Lampornis castaneoventris) hummingbird, Costa Rica

Gerrit Vyn / White-throated Mountain Gem Hummingbird(Lampornis castaneoventris) female, perched on green vegetation, Tamalanca Mountains, Costa Rica. May.

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...

Robin Chittenden / Male White-throated mountain-gem (Lampornis castaneoventris) perched on plant, Costa Rica, March