Rolf Nussbaumer / Blue-throated Hummingbird (Lampornis clemenciae) male feeding on flowering Claret Cup Cactus (Echinocereus triglochidiatus) Chisos Basin, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, W...

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

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female feeding and pollinating flower of epiphytic Heath (Cavendishia melastomoides) cloud forest, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female feeding at and pollinating epiphytic Orchid flowers (Elleanthus sp), Monteverde Cloud Forest Reserve, Costa Rica

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

Tom Vezo / Blue-throated Hummingbird (Lampornis clemenciae) feeding on flower nectar, southern Arizona

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

Konrad Wothe / Purple throated Mountain gem (Lampornis castaneoventris cinereicauda) female drinking on flower, Cerro de la Muerte, Costa Rica

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

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.

Rolf Nussbaumer / Blue-throated Hummingbird (Lampornis clemenciae) male in flight feeding on Red Yucca (Hesperaloe parviflora) Chisos Basin, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, West Texas, USA

Rolf Nussbaumer / Blue-throated Hummingbird (Lampornis clemenciae)male perched on branch. Chisos Basin, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, West Texas, USA

Rolf Nussbaumer / Blue-throated Hummingbird (Lampornis clemenciae) male in flight feeding on Red Yucca (Hesperaloe parviflora) Chisos Basin, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, West Texas, USA

Rolf Nussbaumer / Blue-throated Hummingbird (Lampornis clemenciae)feeding on flowering Texas thistle (Cirsium texanum) Chisos Basin, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, West Texas, USA

Rolf Nussbaumer / Blue-throated Hummingbird (Lampornis clemenciae) male feeding on flowering Ocotillo (Fouquieria splendens) Chisos Basin, Chisos Mountains, Big Bend National Park, Chihuahuan Desert, West Texas, USA

Stephen Dalton / Grey tailed mountain gem hummingbird (Lampornis castaneoventris) perched, Costa Rica

Stephen Dalton / Grey tailed mountain gem hummingbird (Lampornis castaneoventris) perched, Costa Rica

Stephen Dalton / Grey tailed mountain gem hummingbird (Lampornis castaneoventris) perched, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird male at flowers, Monteverde Cloud Forest, Costa Rica

Thomas Marent / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female, Costa Rica

Edwin Giesbers / Purple throated mountain gem (Lampornis calolaema) perched on branch, Costa Rica

Tim Fitzharris / Grey-tailed Mountain Gem (Lampornis cinereicauda) hummingbird male foraging, Costa Rica

Tim Fitzharris / Grey-tailed Mountain Gem (Lampornis cinereicauda) hummingbird female foraging, Costa Rica

Tim Fitzharris / Grey-tailed Mountain Gem (Lampornis cinereicauda) hummingbird female foraging, Costa Rica

Konrad Wothe / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female feeding, Cerro de la Muerte, Costa Rica

Konrad Wothe / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird male feeding, Cerro de la Muerte, Costa Rica

Konrad Wothe / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female feeding, Cerro de la Muerte, Costa Rica

Rolf Nussbaumer / Purple-throated Mountain-gem {Lampornis calolaema} male perched, Central Valley, Costa Rica

Rolf Nussbaumer / Purple-throated Mountain-gem {Lampornis calolaema} male perched on Banana flower, Central Valley, Costa Rica

Rolf Nussbaumer / Purple-throated Mountain-gem {Lampornis calolaema} male feeding from Ginger flower, Central Valley, Costa Rica

Rolf Nussbaumer / Purple-throated Mountain-gem {Lampornis calolaema} male feeding from flower, Central Valley, Costa Rica

Rolf Nussbaumer / Purple-throated Mountain-gem {Lampornis calolaema} male feeding from Banana flower, Central Valley, Costa Rica

Ingo Arndt / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird drinking nectar, Monte Verde, Costa Rica

Fabio Liverani / Purple throated mountain gem {Lampornis calolaema} Monteverde NR, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird male flying, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird male flying, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird feeding on and pollinating Heath (Cavendishia bracteata) flowers, cloud forest, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird male, feeding and pollinating flowers, epiphytic Heath (Cavendishia complectens) cloud forest, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird male, cloud forest, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird feeding and pollinating flowers of epiphytic Heath (Cavendishia complectens) cloud forest, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird male perching with wings spread, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female feeding and pollinating flower of epiphytic One-day Orchid (Sobralia amabilis) cloud forest, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female feeding and pollinating flowers of epiphytic Heath (Cavendishia melastomoides) cloud forest, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird on end of branch, wings spread, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female feeding at and pollinating epiphytic flowers (Cavendishia melastomoides), Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird male feeding at epiphytic flowers (Macleania insignis), Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird female at epiphytic Orchid (Sobralia amabilis pollinarium) cloud forest, Costa Rica

Michael & Patricia Fogden / Purple-throated Mountain-gem (Lampornis calolaemus) hummingbird on branch with wings spread, Costa Rica

Dietmar Nill / Purple throated mountain gem hummingbird feeding, Costa Rica (Lampornis calolaema)

Phil Savoie / Purple throated mountain gem {Lampornis calolaema} male, Monteverde CF, Costa Rica

Tom Vezo / Blue-throated Hummingbird (Lampornis clemenciae) held for banding, Arizona

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

Tom Vezo / Blue throated hummingbird male {Lampornis clemenciae} Arizona USA Chiricahua mtns