Lucas Bustamante / Green-crowned woodnymph (Thalaurania fannyi) Mashpi, Pichincha, Ecuador

Graeme Guy / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male feeding on flower nectar, Costa Rica

Glenn Bartley / Violet-crowned Woodnymph (Thalurania colombica) female feeding on nectar, Costa Rica

Steve Gettle / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male flying, Costa Rica

Pete Oxford / Male Crowned woodnymph {Thaluranis colombica} Macipucuna Cloud Forest, Ecuador

Michael & Patricia Fogden / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male perched in lowland rainforest, Costa Rica

Ingo Arndt / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male feeding on passion flower nectar, Costa Rica

Phil Savoie / Territorial Rufous-tailed hummingbird (Amazilia tzacatl) fighting off Violet crowned woodnymph hummingbird (Thalurania colombica) from Heliconia flower(Heliconia latispatha), La Selva, Costa Rica.

Phil Savoie / Violet crowned woodnymph hummingbird ( Thalurania colombica) male, visiting Porterweed (Stachytarpheta sp.) Talamancan montane forest, Costa Rica.

Glenn Bartley/ BIA / Violet-crowned Woodnymph (Thalurania colombica) hummingbird feeding on flower nectar, Costa Rica

Agustin Esmoris / Violet-capped Woodnymph (Thalurania glaucopis) hummingbird, Argentina

Glenn Bartley/ BIA / Violet-crowned Woodnymph (Thalurania colombica) feeding on flower nectar, Colombia

Doug Wechsler / Emerald-bellied woodnymph (Thalurania hypochlora) male flying to flower to feed, Province El Oro, Buenaventura Biological Reserve, Ecuador

Melvin Grey / Green-crowned woodnymph (Thalurania fannyi) adult male sitting on thin branch, Milpe, Ecuador

Melvin Grey / Green-crowned woodnymph hummingbird (Thalurania fannyi) hummingbird adult female perched, Milpe, Ecuador.

Melvin Grey / Green-crowned woodnymph hummingbird (Thalurania fannyi) hummingbird adult male perched, Milpe, Ecuador.

Glenn Bartley / Violet-crowned Woodnymph (Thalurania colombica) hummingbird bathing, Costa Rica

Greg Basco / Violet-crowned Woodnymph (Thalurania colombica) hummingbird flying, Costa Rica

Luiz Claudio Marigo / Violet-capped Woodnymph (Thalurania glaucopis) feeding on Grevillea banksii flowers (native of Australia) in the lowland Southern Bahia Atlantic Rainforest, Estacao Veracel Private Nature Heritage Res...

Angelo Gandolfi / Violet-capped woodnymph (Thalurania glaucopis), male, Parana State, Iguazu, Brazil, September.

Paul Hobson / Crowned woodnymph (Thalurania columbica) at rest, Costa Rica

Konrad Wothe / Fork-tailed Woodnymph (Thalurania furcata) feeding on Heliconia flower nectar, ambopata Reserve, Peru, South America.

Glenn Bartley / Fork-tailed Woodnymph (Thalurania furcata) male, Manu National Park, Peru

Glenn Bartley / Violet-crowned Woodnymph (Thalurania colombica) male, Costa Rica

Glenn Bartley / Green-crowned Woodnymph (Thalurania fannyi) male, Ecuador

Glenn Bartley / Green-crowned Woodnymph (Thalurania fannyi), Ecuador

Glenn Bartley / Fork-tailed Woodnymph (Thalurania furcata) male feeding on nectar, Ecuador

Glenn Bartley / Green-crowned Woodnymph (Thalurania fannyi) female feeding on nectar, Ecuador

Glenn Bartley / Green-crowned Woodnymph (Thalurania fannyi), Ecuador

Glenn Bartley / Green-crowned Woodnymph (Thalurania fannyi), Ecuador

Glenn Bartley / Violet-crowned Woodnymph (Thalurania colombica), Costa Rica

Glenn Bartley / Violet-crowned Woodnymph (Thalurania colombica) male hovering, Costa Rica

Glenn Bartley / Violet-crowned Woodnymph (Thalurania colombica) male bathing, Costa Rica

Roland Seitre / Violet-crowned Woodnymph (Thalurania colombica) male, Costa Rica

Suzi Eszterhas / Violet-crowned Woodnymph (Thalurania colombica) male, northern Costa Rica

Tim Fitzharris / Green-crowned Woodnymph (Thalurania fannyi) female landing, Ecuador

Luiz Claudio Marigo / Violet-capped woodnymph (Thalurania glaucopis) male feeding at bromeliad flower in mountainous Atlantic Rainforest of Serra Bonita Natural Private Heritage Reserve (RPPN Serra Bonita), municipality of...

Roland Seitre / Blue-crowned Woodnymph Hummingbird (Thalurania colombica) perched, Mazu Rancho Ecological ranch ,Chiriqui Grande, Bocas del Toro, Panama.

Roland Seitre / Blue-crowned Woodnymph Hummingbird (Thalurania colombica) alighting on twig. Mazu Rancho Ecological ranch ,Chiriqui Grande, Bocas del Toro, Panama.

Roland Seitre / Blue-crowned Woodnymph Hummingbird (Thalurania colombica). Rancho Naturalista, Turrialba, Costa Rica.

Roland Seitre / Blue-crowned Woodnymph Hummingbird (Thalurania colombica) hovering and feeding on flower. Rancho Naturalista, Turrialba, Costa Rica.

Roland Seitre / Blue Crowned Woodnymph Hummingbird (Thalurania colombica) sitting on nest. Bosque Nuboso, Monteverde, Costa Rica.

Murray Cooper / Fork-tailed Woodnymph (Thalurania furcata) hummingbird, Amazon, Ecuador

Luiz Claudio Marigo / Violet-capped woodnymph (Thalurania glaucopis) perched in Atlantic Rainforest, flapping wings, Serrinha do Alambari Environmental Protection Area, Rio de Janeiro State, Southeastern Brazil.

Steve Gettle / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male flying, Costa Rica

Steve Gettle / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male feeding on flower nectar, Costa Rica

Pete Oxford / Green-crowned Woodnymph hummingbird (Thalurania fannyi). Mindo cloud forest, Ecuador.

Pete Oxford / Green-crowned Woodnymph (Thalurania fannyi) hummingbird, Mindo Cloud Forest, western slope of Andes, Ecuador

Mary McDonald / Violet-crowned Woodnymph (Thalurania colombica) male perched in tree, Rancho Naturalista, Turrialba, Costa Rica, Central America.

Mary McDonald / Violet-crowned Woodnymph (Thalurania colombica) male perched in tree, Rancho Naturalista, Turrialba, Costa Rica, Central America.

Mary McDonald / Violet-crowned Woodnymph (Thalurania colombica) male perched in tree, Rancho Naturalista, Turrialba, Costa Rica, Central America.

Murray Cooper / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male, Colombia

Murray Cooper / Violet-crowned Woodnymph (Thalurania colombica) hummingbird female, Colombia

Luiz Claudio Marigo / Violet-capped woodnymph (Thalurania glaucopis) stretching wings in the Atlantic Rainforest, at Serrinha do Alambari Environmental Protection Area, municipality of Resende, Rio de Janeiro State, South...

Luiz Claudio Marigo / Violet-capped woodnymph (Thalurania glaucopis) in the Atlantic Rainforest of Serrinha do Alambari Environmental Protection Area and Serra da Mantiqueira Environmental Protection Area, Rio de Janeiro S...

Rolf Nussbaumer / Green-Crowned Woodnymph (Thalurania fannyi), male feeding on flower, Mindo, Ecuador, Andes, South America, February

Rolf Nussbaumer / Booted Racket-tail (Ocreatus underwoodii), Green-Crowned Woodnymph (Thalurania fannyi) and Brown Inca (Coeligena wilsoni) adults feeding on Ginger flower, Mindo, Ecuador, Andes, South America, Februar...

Rolf Nussbaumer / Green-Crowned Woodnymph (Thalurania fannyi) male perched, Mindo, Ecuador, Andes, South America, February

Rolf Nussbaumer / Green-Crowned Woodnymph (Thalurania fannyi) male perched, Mindo, Ecuador, Andes, South America, February

Rolf Nussbaumer / Booted Racket-tail (Ocreatus underwoodii) and Green-Crowned Woodnymph (Thalurania fannyi) adults feeding on flower, Mindo, Ecuador, Andes, South America, February

Rolf Nussbaumer / Green-Crowned Woodnymph (Thalurania fannyi) male feeding on flower, Mindo, Ecuador, Andes, South America, February

Rolf Nussbaumer / Green-Crowned Woodnymph (Thalurania fannyi) male feeding on flower in rain, Mindo, Ecuador, Andes, South America, February

Rolf Nussbaumer / Green-Crowned Woodnymph (Thalurania fannyi) male feeding on flower, Mindo, Ecuador, Andes, South America, February

Nick Garbutt / Green-crowned Woodnymph (Hummingbird)(Thalurania fannyi). Mindo, Ecuador.

Tom Vezo / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male, Costa Rica

Pete Oxford / Crowned Woodnymph Hummingbird {Thalurania colombica} Macipucuna Cloud Forest, western Andes, Ecuador.

Pete Oxford / Crowned Woodnymph {Thalurania colombica} female in flight, Macipucuna Cloud Forest, western Andes, Ecuador.

Michael & Patricia Fogden / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male feeding on Heliconia flowers (Heliconia latispatha), Costa Rica

Michael & Patricia Fogden / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male perching on branch in rainforest, Costa Rica

Michael & Patricia Fogden / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male landing on Heliconia (Heliconia latispatha) flower, Costa Rica

Michael & Patricia Fogden / Violet-crowned Woodnymph (Thalurania colombica) hummingbird female brooding on nest in rainforest, Costa Rica

Michael & Patricia Fogden / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male perched in lowland rainforest, Costa Rica

Michael & Patricia Fogden / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male perched on Heliconia (Heliconia latispatha) lowland rainforest, Costa Rica

Tui De Roy / Green-crowned Woodnymph (Thalurania fannyi) hummingbird male feeding from feeder, western Andes cloud forest, Maquipucuna Reserve, Ecuador

Thomas Marent / Violet-crowned Woodnymph (Thalurania colombica) hummingbird, Valle del Cauca, Colombia

Thomas Marent / Violet-crowned Woodnymph (Thalurania colombica) hummingbird, Tatama National Park, Colombia

Murray Cooper / Green-crowned Woodnymph (Thalurania fannyi) hummingbird, Choco Rainforest, Ecuador

Guy Edwardes / Green-crowned Woodnymph (Thalurania fannyi) perched, Mirador Rio Blanco, Ecuador

Steve Gettle / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male flying, Costa Rica

Michael & Patricia Fogden / Green-crowned Woodnymph (Thalurania fannyi) hummingbird male, Milpe Bird Sanctuary, western slope of Andes, Ecuador

Michael & Patricia Fogden / Violet-crowned Woodnymph (Thalurania colombica) hummingbird male perched on Heliconia (Heliconia latispatha) flowers, Costa Rica

Maxime Aliaga / Violet-capped woodnymph (Thalurania glaucopis) and Brazilian ruby (Clytolaema rubricauda) hummingbirds feeding on flower in Atlantic rainforest, Brazil. Composite image.

Maxime Aliaga / Violet-capped woodnymph hummingbird (Thalurania glaucopis) male, feeding on flower in Atlantic rainforest, Brazil.

Maxime Aliaga / Violet-capped woodnymph (Thalurania glaucopis) and Brazilian ruby (Clytolaema rubricauda) hummingbirds feeding on flower in Atlantic rainforest, Brazil. Composite image.

Wim van den Heever / Violet-capped woodnymph hummingbird (Thalurania glaucopis) in flight, Atlantic Rainforest, Sao Paulo, Brazil.

Roman Willi / Crowned woodnymph (Thalurania colombica) male, perched on flower, Osa Peninsula, Costa Rica.

Roland Seitre / Violet-crowned Woodnymph (Thalurania colombica) hummingbird, Willie Mazu Ecological Ranch, Panama

Maxime Aliaga / Violet-capped woodnymph (Thalurania glaucopis) perched, Iguazu National Park, Argentina