Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) in characteristic posture mimicking a twig. French Guyana, August.

Inaki Relanzon / Leaf nosed twig snake (Langaha madagascariensis) male, Baie de Baly National Park, North west Madagascar.

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

Fabio Pupin / Twig snake, (Thelotornis kirtlandii) standing still among trees, Nyungwe Forest NP, Rwanda, October . Non-ex.

Lucas Bustamante / Eyelash palm pitviper (Bothriechis schlegelii) curled round berries on twig, Canande, Esmeraldas, Ecuador.

Lucas Bustamante / Eyelash viper (Bothriechis schlegelii) on twig, Canande, Esmeraldas, Ecuador.

Lucas Bustamante / Twig snake (Thelotornis capensis) with tongue extended, Moremi Game Reserve, Botswana.

Pete Oxford / Vine Snake (Oxybelis brevirostris), Ecuador

Pete Oxford / Vine Snake (Oxybelis brevirostris), Ecuador

Steve O. Taylor (GHF) / Twig snake (Thelotornis) Ruwenzoris Mountain Range, Democratic Republic of the Congo.

Konrad Wothe / Twig Snake (Thelotornis capensis) on rainforest floor, Mahale Mountains National Park, Tanzania, East Africa

Daniel Heuclin / Puffing / Bird Eating / Twig Snake (Pseustes poecilonotus) in defensive strike-ready posture. French Guyana, August.