Claus Meyer / Colubrid Snake (Chironius sp) portrait, Amazon ecosystem, Brazil

Claus Meyer / Bird Snake (Thelotornis sp) camouflaged among tree leaves, Amazon ecosystem, Brazil

Michael & Patricia Fogden / Vine Snake (Oxybelis argenteus) hanging from tree, Amazon rainforest, Ecuador

Michael & Patricia Fogden / Vine Snake (Oxybelis brevirostris) on Heliconia (Heliconia trichocarpa) rainforest, Costa Rica

Claus Meyer / Parrot Snake (Leptophis ahaetulla) hanging from tree showing defensive display, Caatinga ecosystem, Brazil

Claus Meyer / Parrot Snake (Leptophis ahaetulla) in threat display, Caatinga ecosystem, Brazil

Claus Meyer / Bird Snake (Thelotornis sp) camouflaged among leaves, Amazon ecosystem, Brazil

Mark Moffett / Vine Snake portrait, La Selva, Costa Rica

Mark Moffett / Vine Snake portrait, La Selva, Costa Rica

Mark Moffett / Vine Snake and herpetologist Ted Papenfuss, Tam Dao National Park, Vietnam

Mark Moffett / Vine Snake on branch, Peru

Mark Moffett / Vine Snake (Natrix trianguligera) face, Tam Dao National Park, Vietnam