Glenn Bartley / Emerald Toucanet (Aulacorhynchus prasinus), Costa Rica

Chris Mattison / Green tree monitor (Varanus prasinus) with tongue out, captive from SE Asia.

Alex Mustard,Alex Mustard / Portrait of a Yellow moray eel (Gymnothorax prasinus) - endemic to SE Australia. Chowder Bay, Sydney Harbour, New South Wales, Australia.

Rod Williams / Green / Emerald Tree Monitor (Varanus prasinus) head portrait climbing tree trunk. Captive, from Papua New Guinea, Indonesia

Michael & Patricia Fogden / Emerald Toucanet (Aulacorhynchus prasinus) eating Passion Fower (Passiflora sp) fruit at nest cavity, cloud forest, Costa Rica

Mark Moffett / Emerald Toucanet (Aulacorhynchus prasinus), Monteverde Cloud Forest Reserve, Costa Rica

Dong Lei / Asian vine snake (Ahaetulla prasina) in tree. Gaoligong Mountain National Nature Reserve, Yunnan Province, China.

Dong Lei / Asian vine snake (Ahaetulla prasina) in tree. Gaoligong Mountain National Nature Reserve, Yunnan Province, China.

Thomas Marent / Emerald Toucanet (Aulacorhynchus prasinus), Valle del Cauca, Colombia

Thomas Marent / Emerald Toucanet (Aulacorhynchus prasinus), Selva de Ventanas Natural Reserve, Colombia

Enrique Lopez-Tapia / Emerald toucanet (Aulacorhynchus prasinus) Rio Platano Biosphere Reserve and UNESCO World Heritage Site, La Mosquitia, Honduras

Daniel Heuclin / Tree monitor (Varanus kordensis) captive occurs in Irian Jaya

Daniel Heuclin / Tree monitor (Varanus kordensis) captive occurs in Irian Jaya

Daniel Heuclin / Tree monitor (Varanus kordensis) captive occurs in Irian Jaya

Matthew Maran / Oriental whip snake (Ahaetulla prasina) Khao Yai National Park, Thailand.

Solvin Zankl / Yellow moray eel (Gymnothorax prasinus) looking out of hole, Poor Knights Islands, Marine Reserve, New Zealand, South Pacific Ocean, July.

Michele Westmorland / Moray Eel (Gymnothorax prasinus) with Rock shrimps (Lysmata sp) in urchins and sponge encrusted rocks. Galapagos Islands.

Chris Mattison / Green tree monitor, Varanus prasinus, SE Asia

Roland Seitre / Emerald Toucanet (Aulacorhynchus prasinus), Poas Volcano National Park, Costa Rica

Sue Daly / Yellow Moray Eel (Gymnothorax prasinus) and Grey Moral Eel (Gymnothorax nubilus) Poor Knights Islands, New Zealand, January

Sue Daly / Yellow Moray Eel (Gymnothorax prasinus) with head poking out of hole, Poor Knights Islands, New Zealand, January

Sue Daly / Yellow Moray Eel (Gymnothorax prasinus) with head poking out of hole, Poor Knights Islands, New Zealand, January

Roland Seitre / Emerald Toucanet (Aulacorhynchus prasinus). Poas Volcano National Park, Carribean Coast, Costa Rica.

Sue Flood / Emerald toucanette (Aulacorhynchus prasinus) near Monteverde Reserve, Costa Rica. January

Rod Williams / Green Shieldbug (Palomena prasinus) nymph on leaf, South London, UK, August

Rod Williams / Green shieldbug (Palomena prasinus) larva on leaf, South London, UK, September

Steve Gettle / Emerald Toucanet (Aulacorhynchus prasinus), Costa Rica

Steve Gettle / Emerald Toucanet (Aulacorhynchus prasinus), Costa Rica

Steve Gettle / Emerald Toucanet (Aulacorhynchus prasinus), Costa Rica

Daniel Heuclin / Emerald tree monitor (Varanus prasinus) resting on branch in tree, captive, from New-Guinea

Daniel Heuclin / Emerald tree monitor (Varanus prasinus) portrait, captive, from New-Guinea

Doug Wechsler / Long nosed tree snake {Ahaetulla prasinus} moving across vegetation, West Kalimantan, Borneo, Indonesia

Rod Williams / Green / Emerald tree monitor (Varanus prasinus) captive, from Papua New Guinea, Indonesia

Rod Williams / Green / Emerald Tree Monitor (Varanus prasinus) head portrait climbing tree trunk, captive.

Murray Cooper / Emerald Toucanet (Aulacorhynchus prasinus) feeding on fruit, Colombia

Murray Cooper / Emerald Toucanet (Aulacorhynchus prasinus) feeding on fruit, Colombia

Scott Leslie / Yellow Moray (Gymnothorax prasinus) hiding in reef, Bonaire, Caribbean

Rolf Nussbaumer / Emerald Toucanet {Aulachorynchus prasinus} Costa Rica

Rolf Nussbaumer / Emerald Toucanet {Aulachorynchus prasinus} Costa Rica

Pete Oxford / Emerald toucanet {Aulacorhynchus prasinus} Urubamba river, Amazonia, Peru

Michael & Patricia Fogden / Emerald Toucanet (Aulacorhynchus prasinus) fruiting, cloud forest, Costa Rica

Michael & Patricia Fogden / Emerald Toucanet (Aulacorhynchus prasinus) at entrance to nest, Cloud forest, Costa Rica

Michael & Patricia Fogden / Emerald Toucanet (Aulacorhynchus prasinus) cleaning seeds and feces from nest, Costa Rica

Michael & Patricia Fogden / Emerald Toucanet (Aulacorhynchus prasinus) preening feathers with bill, Costa Rica

Michael & Patricia Fogden / Emerald Toucanet (Aulacorhynchus prasinus) feeding on Passion Flower (Passiflora sp) fruit, Costa Rica

Pete Oxford / Emerald toucanet {Aulacorhynchus prasinus} captive, Urubamba river, Peru

Thomas Marent / Emerald Toucanet (Aulacorhynchus prasinus), Valle del Cauca, Colombia

Thomas Marent / Emerald Toucanet (Aulacorhynchus prasinus), Selva de Ventanas Natural Reserve, Colombia

Thomas Marent / Emerald Toucanet (Aulacorhynchus prasinus), Valle del Cauca, Colombia

Bruno de Faveri/ BIA / Emerald Toucanet (Aulacorhynchus prasinus), Costa Rica

Steve Gettle / Emerald Toucanet (Aulacorhynchus prasinus) feeding on fruit, Costa Rica

Steve Gettle / Emerald Toucanet (Aulacorhynchus prasinus), Costa Rica

Robin Chittenden / Blue throated toucanet (Aulacorhynchus prasinus caeruleogularis) portrait, Costa Rica, March

Nick Garbutt / Emerald toucanet (Aulacorhynchus prasinus) or Blue-throated toucanet (Aulacorhynchus caeruleogularis) perched on branch in montane forest understorey, Savegre Valley, Pacific slope, Costa Rica.

Dave Watts / Midlands buttercup (Ranunculus prasinus). Tasmania, Australia. December.

Robert Valentic / Asian Vine Snake (Ahaetulla prasina) head portrait in lowland rainforest, Tioman Island, Malaysia. Dry season.

Robert Valentic / Asian vine snake (Ahaetulla prasina) male, in a terraced rice paddy field near Ubud, Bali, Indonesia. Wet Season.