Morley Read / Parrot snake (Leptophis ahaetulla) threat display, Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Paul Hobson / Parrot snake (Leptophis ahaetulla) in aggressive pose with mouth open. Costa Rica.

Chien Lee / Oriental Whip Snake (Ahaetulla prasina) juvenile, Danum Valley Field Center, Sabah, Borneo, Malaysia

Martin Gabriel / Green parrot snake (Leptophis ahaetulla) defensive attack, Tenorio National Park, Costa Rica

Tony Heald / Long nosed / Oriental Whip Snake [Ahaetulla prasina] Bako National Park, Sarawak, Borneo, September

Solvin Zankl / Long-nosed whip snake coming towards camera {Ahaetulla prasina} Sulawesi, Indonesia

Claus Meyer / Parrot Snake (Leptophis ahaetulla) with mouth open in defense display, Caatinga ecosystem, Brazil

Michael & Patricia Fogden / Oriental Whip Snake (Ahaetulla prasina) camouflaged among vines in the rainforest, southeast Asia

Stephen Downer / John Downer P / Vine snakes (Dryophis nasuta) imitate curled tendrils of foliage to conceal themselves in the rainforest (Resolution restriction - image digitised from film, 'Weird Nature' tv series)

Morley Read / Slow motion clip of a Fer de Lance (Bothrops atrox) smelling with its tongue, Orellana Province, Ecuador. (non-ex)

Morley Read / Parrot snake (Leptophis ahaetulla) threat display, Amazon rainforest, Orellana Province, Ecuador. (non-ex)

Morley Read / Parrot snake (Leptophis ahaetulla), with a fly on its head, enters its mouth, Amazon rainforest, Orellana Province, Ecuador. (non-ex)