Claus Meyer / Two-striped Forest Pit Viper (Bothrops bilineatus) coiled around plant, front view, Atlantic Forest ecosystem, Brazil

Claus Meyer / Two-striped Forest Pit Viper (Bothrops bilineatus) hanging on a Heliconia (Heliconia sp) flower, Atlantic Forest, Brazil

Pete Oxford / Two-striped Forest Pit Viper with one-day- old young. Amazonia, Ecuador

Pete Oxford / Two striped forest pit viper with young {Bothriopis bilineatus} Ecuador Amazon, South America

Pete Oxford / Two Striped Forest Pit Viper mother with day old young. Ecuadorian Amazon rainforest.

Pete Oxford / Two Striped Forest Pit Viper, Ecuadorian Amazon, South America

Pete Oxford / Two striped forest pit viper snake with young, fangs open {Bothriopis bilineatus} Amazon rainforest, Ecuador

Lucas Bustamante / Green jararaca / Two striped forest pit viper (Bothriopsis bilineata) on branch, Tambopata, Madre de Dios, Peru.

Lucas Bustamante / Two striped forest pitviper (Bothriopsis bilineata) curled up on log, Yasuni National Park, Orellana, Ecuador.

Pete Oxford / Two-striped forest pitviper (Bothriopsis bilineata smaragdina) Amazon, Ecuador. Captive, occurs in the Amazon.

Pete Oxford / Two-striped forest pitviper (Bothriopsis bilineata smaragdina) Amazon, Ecuador. Captive, occurs in the Amazon.

MYN / Andrew Snyder / Bi-striped viper (Bothriopsis bilineata) Chenapau, Guyana. Meetyourneighbours.net project.