Michael & Patricia Fogden / Green Violet-ear (Colibri thalassinus) hummingbird feeding at and pollinating epiphytic Orchid (Elleanthus sp), 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

Claudio Contreras / Sturdy maxillaria orchid (Maxillaria elatior) flower. Cultivated, found i tropical rainforest from Mexico to Costa Rica, October

Bernard Castelein / Nine-spotted moth (Syntomis phegea) on Heath spotted orchid (Dactylorhiza maculata) Peerdsbos, Brasschaat, Belgium, June.

Bernard Castelein / Nine-spotted moth (Syntomis phegea) on Heath spotted orchid (Dactylorhiza maculata) Peerdsbos, Brasschaat, Belgium, June.

Michael & Patricia Fogden / Booted Racket-tail (Ocreatus underwoodii) hummingbird male feeding on nectar of Tiger Orchid (Elleanthus robustus) flower in cloud forest, Tandayapa Valley, western slope of Andes, Ecuador

Christian Ziegler / Orchid (Elleanthus sp) flower being pollinated by male Magnificent Hummingbird (Eugenes fulgens), Finca Dracula Orchid Sanctuary, Panama

Michael & Patricia Fogden / Green Violet-ear (Colibri thalassinus) hummingbird male feeding on Orchid (Elleanthus lentii) nectar, Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Scintillant Hummingbird (Selasphorus scintilla) female feeding at and pollinating flowers of epiphytic Orchid (Elleanthus glaucophyllus), Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Green Violet-ear (Colibri thalassinus) hummingbird feeding at and pollinating flowers of epiphytic Orchid (Elleanthus glaucophyllus), Monteverde Cloud Forest Reserve, Costa Rica

Michael & Patricia Fogden / Green Violet-ear (Colibri thalassinus) hummingbird feeding on nectar from orchids (Elleanthus sp), Monteverde Cloud Forest Reserve, Costa Rica

Dave Watts / Tiger orchid (Diuris sulphurea). Tasmania, Australia. November.