Morley Read / Slow motion clip of a male Orchid bee (Euglossini) gathering nectar from an orchid (Lycomormium ecuadorense) flower, Imbabura Province, Ecuador. (non-ex)

Tim Laman / Epiphytic orchid (Bulbophyllum medusae) growing in the canopy of the lowland rainforest, Gunung Palung National Park, Borneo, West Kalimantan, Indonesia

Tim Laman / Giant orchid (Grammatophyllum speciosum) growing high in the rainforest canopy in Borneo. This species is the world's largest orchid, with flowering stalks reaching 3 m long. Gunung Palung National Pa...

Tim Laman / Botanist amongst the flowers of a Giant orchid (Grammatophyllum speciosum) growing high in the rainforest canopy in Borneo. This species is the world's largest orchid, with flowering stalks reaching 3...

Tim Laman / Giant orchid (Grammatophyllum speciosum) growing high in the rainforest canopy in Borneo. This species is the world's largest orchid, with flowering stalks reaching 3 m long. Gunung Palung National Pa...

Tim Laman / Giant orchid (Grammatophyllum speciosum) growing high in the rainforest canopy. This species is the world's largest orchid, with flowering stalks reaching 3 m long. Gunung Palung National Park, Borneo...

Tim Laman / Wild orchid (Phalaenopsis pantherina) in flower from the rainforest of Borneo. Sabah State, Malaysia.

Tim Laman / Wild orchid (Phalaenopsis pantherina) in flower from the rainforest of Borneo. Sabah State, Malaysia.

Juan Carlos Munoz / Orchid flower, Mount Kinabalu NP, Sabah, Borneo, Malaysia

Juan Carlos Munoz / Orchid flower, Mount Kinabalu NP, Sabah, Borneo, Malaysia

Nick Garbutt / Rothschild's slipper orchid (Paphiopedilum rothschildianum). Kinabalu Park, Sabah, Borneo, Malaysia

Pete Oxford / Rainforest orchid with white flowers, Iwokrama Reserve Guyana, South America

Neil Lucas / Euglossine bee {Euglossinae} at orchid in rainforest, Panama. Bee pollinates flower.

Michael & Patricia Fogden / Orchid Mantis (Hymenopus coronatus) and orchid flower, Malaysia

Michael & Patricia Fogden / Green Violet-ear (Colibri thalassinus) hummingbird feeding, pollinating epiphytic orchid flower, cloud forest ecosystem, 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

Michael & Patricia Fogden / Coppery-headed Emerald (Elvira cupreiceps) hummingbird male feeding on and pollinating Shiney Maxillaria (Maxillaria fulgens) in cloud forest, Costa Rica

Michael & Patricia Fogden / Coppery-headed Emerald (Elvira cupreiceps) hummingbird male feeding on and pollinating Shiney Maxillaria (Maxillaria fulgens) in cloud forest, Costa Rica

Morley Read / Nesting masdevallia orchid (Masdevallia nidifica) growing as a twig epiphyte, Imbabura Province, Ecuador. (non-ex)

Tim Laman / Orchid, Batang Toru Forest, Sumatran Orangutan Conservation Project, North Sumatran Province, Indonesia

Tim Laman / Orchid flowering in Sumatran rainforest, Batang Toru Forest. Sumatran Orangutan Conservation Project, North Sumatran Province, Indonesia.

David Pattyn / Fern covered trees with orchids and bromeliads, Bellavista private reserve, Mindo cloud forest area, Pichincha, Ecuador , July

Claudio Contreras / Dingy flowered lophiaris orchid (Lophiaris lurida) flower, Lacandon Rainforest, Montes Azules Biosphere Reserve, southern Mexico, March

Claudio Contreras / Shiny blue-green dichaea orchid (Dichaea glauca) flower. Cultivated, found in tropical rainforest in Mexico, Greater Antilles and Central America, May

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

Claudio Contreras / Orchid (Oncidium sp.), Lacandon Rainforest, Montes Azules Biosphere Reserve, southern Mexico, August

Claudio Contreras / Orchid (Lycaste sp.), Lacandon Rainforest, Montes Azules Biosphere Reserve, southern Mexico, August

Claudio Contreras / Orange cattleya orchid (Cattleya aurantiaca) flower. Cultivated, found in tropical rainforest from Mexico to Costa Rica, March

Claudio Contreras / Giant arpophyllum orchid (Arpophyllum giganteum) flower. Cultivated, found in tropical rainforest in Mexico, Central America, Jamaica, Venezuela and Colombia, March

Alex Hyde / Crab Spider (Thomisidae) waiting in an orchid to ambush its prey. Cloud forest, Manu Biosphere Reserve, Peru. November.

Alex Hyde / Crab Spider (Thomisidae) waiting in an orchid to ambush its prey. Cloud forest, Manu Biosphere Reserve, Peru. November.

Konrad Wothe / Red orchid in tropical rainforest, northern Ecuador.

Joao Burini / Ground orchid (Sacoila lanceolata), Intervales State Park, Sao Paulo, Atlantic Forest South-East Reserves, UNESCO World Heritage Site, Brazil.

Joao Burini / Ground orchid (Sacoila lanceolata), Intervales State Park, Sao Paulo, Atlantic Forest South-East Reserves, UNESCO World Heritage Site, Brazil.

Joao Burini / Carpenter ant (Camponotus sp) on orchid (Phymatidium hysteranthum), Intervales State Park, Sao Paulo, Atlantic Forest South-East Reserves, UNESCO World Heritage Site, Brazil.

Joao Burini / Orchid flower (Epidendrum sp) Ilha do Cardoso State Park, Atlantic Forest South-East Reserves UNESCO World Heritage Site, Brazil.

Chien Lee / Orchid (Bulbophyllum dearei) flowers in rainforest, Kinabalu National Park, Sabah, Malaysia

David Pattyn / Orchids (Angraecum sp) flowering, tropical lowland rainforest. Masoala NP, North eastern Madagascar. August

David Pattyn / Orchids (Angraecum sp) flowering, tropical lowland rainforest, Masoala NP, North eastern Madagascar.

Staffan Widstrand / Montane rainforest orchid, near FakFak, Mainland New Guinea, Western Papua, Indonesian New Guinea, on the Science et Images "Expedition Papua, in the footsteps of Wallace", by Iris Foundation

Lorraine Bennery / Orchid (Bulbophyllum sp) in primary forest. Rainforests of the Atsinanana UNESCO World Heritage Site, Andringitra National Park, Madagascar, November 2009.

Alex Hyde / Yellow terrestrial orchid (Orchidaceae) Maliau Basin, Borneo.

Alex Hyde / Epiphytes from rainforest canopy dislodged after a storm, including several orchid species (Orchidaceae). Danum Valley, Sabah, Borneo.

Ingo Arndt / Orchid (Kohleria amabilis) flower, in tropical rainforest, Costa Rica.

Jen Guyton / Orchid (Solenocentrum costaricense) at Monteverde Cloud Forest Reserve, Costa Rica.

Doug Wechsler / Orchid (Masdevallia) in flower, Province Zamora-Chinchipe, Tapichalaca Reserve, Ecuador

Christophe Courteau / Orchids among vegetation in the Volcanoes National Park, home of the Mountain gorillas (Gorilla gorilla beringei), Virunga Mountains, Rwanda

Tim Laman / Wild rainforest orchid (Dendrobium habbenes) flowers, Papua New Guinea.

Chien Lee / Foestermann's Coelogyne (Coelogyne foerstermanni) orchid flowering, Sarawak, Borneo, Malaysia

Konrad Wothe / Orchid bee ( Euglossa sp.), Panguana Reserve, Huanuco province, Amazon basin, Peru.

Konrad Wothe / Orchid bee ( Euglossa sp.) in flight, Panguana Reserve, Huanuco province, Amazon basin, Peru.

Chien Lee / Rainforest Orchid (Bulbophyllum beccarii) leaves with caught leaf litter, Malaysia

Chien Lee / Rainforest Orchid (Bulbophyllum beccarii) with leaves designed to trap falling nitrogen-rich leaf litter, the flowers smell like rotting fish which attracts swarms of pollinator flies, Mulu National P...

Angelo Gandolfi / Mosses, lichens and epiphytic orchids (Cattleya sp.) in the undergrowth of a Parana pine (Araucaria angustifolia) forest. Santa Catarina, Brazil, September.

Angelo Gandolfi / Mosses, lichens and epiphytic orchids (Cattleya sp.) in the undergrowth of a Parana pine (Araucaria angustifolia) forest. Santa Catarina, Brazil, September.

Angelo Gandolfi / Mosses, lichens and epiphytic orchids (Cattleya sp.) in the undergrowth of a Parana pine (Araucaria angustifolia) forest. Santa Catarina, Brazil, September.

Angelo Gandolfi / Mosses, lichens and epiphytic orchids (Cattleya sp.) in the undergrowth of a Parana pine (Araucaria angustifolia) forest. Santa Catarina, Brazil, September.

Nick Garbutt / Orchids (Angraecum sp) rainforest understorey, Andasibe-Mantadia National Park, eastern Madagascar.

MYN / Andrew Snyder / Unidentified orchid (Orchidaceae) Parabara, Guyana. Meetyourneighbours.net project

MYN / Andrew Snyder / Orchid, possibly Epistephium sp, Parabara, Guyana. Meetyourneighbours.net project

MYN / Andrew Snyder / Orchid, possibly Epistephium sp, Parabara, Guyana. Meetyourneighbours.net project

MYN / Andrew Snyder / Orchid, possibly Epistephium sp, Parabara, Guyana. Meetyourneighbours.net project

MYN / Andrew Snyder / Green Orchid Bee (Euglossa spp) Iwokrama, Guyana. Meetyourneighbours.net project

MYN / Andrew Snyder / Green Orchid Bee (Euglossa spp) Iwokrama, Guyana. Meetyourneighbours.net project

Chien Lee / Low's Slipper Orchid (Paphiopedilum lowii) flowers, Mount Kinabalu National Park, Borneo, Malaysia

Hiroya Minakuchi / Rainforest Orchid (Bulbophyllum sp) flower, Malaysia

Luiz Claudio Marigo / Orchid (Epistephium lucidum) close up in the ecosystem Campo Nativo (Native Field) of Vale Natural Reserve, municipality of Linhares, Esparito Santo State, Eastern Brazil.

Luiz Claudio Marigo / Orchid (Zygopetalum maxillarieae) in Atlantic Rainforest of Itatiaia National Park, municipality of Itatiaia, Rio de Janeiro State, Southeastern Brazil.

Michael & Patricia Fogden / Orchid (Odontoglossum cirrhosum) flowers in cloud forest, Ecuador

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

Tim Laman / Orchid (Orchidaeceae) flower. Found in the Foja Mountains, Papua, Indonesia, November 2008. (taken during Conservation International Rapid Assessment Program expedition)

Christian Ziegler / Orchid (Epidendrum sp) flowers covering branch in cloud forest, Panama

Christian Ziegler / Orchid (Ticoglossum oerstedii) flowering at the base of oak trees in rainforest, La Amistad International Park, western Panama

Christian Ziegler / Orchid (Bulbophyllum lobbii) flower, Poring Hotsprings, Sabah, Borneo, Malaysia

Christian Ziegler / Orchid (Bulbophyllum corolliferum) flowers being pollinated by flies, Sabah, Borneo, Malaysia

Christian Ziegler / Orchid (Bulbophyllum corolliferum) flowers, Sabah, Borneo, Malaysia

Christian Ziegler / Orchid (Prosthecheaáprismatocarpa) flowering next to mountain stream in cloud forest, La Amistad National Park, Panama

Staffan Widstrand / Tree Orchids (Orchidaceae sp.). Maquipucuna Reserve, cloud forest area, Ecuador, April.

Chien Lee / Rainforest Orchid (Bulbophyllum longiflorum) flowers, Semengoh Forest Reserve, Sarawak, Borneo, Malaysia

Chien Lee / Rainforest Orchid (Bulbophyllum medusae) is composed of tiny flowers each with long slender sepals, Kuching, Sarawak, Borneo, Malaysia

Chien Lee / Rainforest Orchid (Bulbophyllum medusae) is composed of tiny flowers each with long slender sepals, Kuching, Sarawak, Borneo, Malaysia

Chien Lee / Orchid (Chelonistele sp) flowering in tropical rainforest, Pulong Tau National Park, Gunung Murud, Sarawak, Borneo, Malaysia

Chien Lee / Rainforest Orchid (Bulbophyllum reticulatum) flower, endemic to limestone forests, Semengoh Forest Reserve, Sarawak, Borneo, Malaysia

Chien Lee / Rainforest Orchid (Bulbophyllum muricatum) flower, Gunung Nibogo, Bilogai, Indonesia

Pete Oxford / Violet Cattleya Orchid (Cattleya violacea / superba) Karanambu Lodge, Rupununi, Guyana

Edwin Giesbers / Black Orchid (Coelogyne pandurata) flowering, Sarawak, Borneo, Malaysia

Edwin Giesbers / Phalaenopsis Orchid (Phalaenopsis cornu-cervi) flowering, Sarawak, Borneo, Malaysia

Juan Manuel Borrero / Largest Cattleya orchid (Cattleya maxima) in flower, Bosque de Protección Alto Mayo. Amazonas Department. Peru

Juan Manuel Borrero / Largest Cattleya orchid (Cattleya maxima) in flower, Bosque de Protección Alto Mayo. Amazonas Department. Peru

Juan Manuel Borrero / Largest Cattleya orchid (Cattleya maxima) in flower, Bosque de Protección Alto Mayo. Amazonas Department. Peru

Tim Laman / An epiphytic orchid in the rainforest, Gunung Palung National Park, Borneo, West Kalimantan, Indonesia

Tim Laman / Epiphytic orchid (Bulbophyllum medusae) growing in the canopy of the lowland rainforest, Gunung Palung National Park, Borneo, West Kalimantan, Indonesia

Tim Laman / Epiphytic orchid (Bulbophyllum medusae) growing in the canopy of the lowland rainforest, Gunung Palung National Park, Borneo, West Kalimantan, Indonesia

Tim Laman / Wild orchid (Trichoglottis bipenicillata) from the rainforest of Borneo, Sabah State, Malaysia.

Tim Laman / A wild epiphytic orchid growing in the rainforest in Mulu National Park, Sarawak, Borneo, Malaysia

Tim Laman / Giant orchid (Grammatophyllum speciosum) growing high in the rainforest canopy with flowers just starting to open. This species is the world's largest orchid, with flowering stalks reaching 3 m long....