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.

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

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

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