Paul Hobson / Eyelash viper (Bothriechis schlegelii) on branch in rainforest. Costa Rica. 2018.

Jen Guyton / Eyelash viper (Bothriechis schlegelii) waiting for prey on the trunk of a tree, La Selva Biological Station, Costa Rica. Small repro only.

Jen Guyton / Eyelash viper (Bothriechis schlegelii) waitingfor prey on tree trunk, La Selva Biological Station, Costa Rica.

Jen Guyton / Eyelash viper (Bothriechis schlegelii) waiting for prey on tree, La Selva Biological Station, Costa Rica.

Lucas Bustamante / Eyelash palm pit viper (Bothriechis schlegelii) with tongue extended, Mindo, Pichincha, Ecuador.

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

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 / Eyelash viper (Bothriechis schlegelii) on plant, Sarapiqui, Heredia, Costa Rica.

Lucas Bustamante / Eyelash viper (Bothriechis schlegelii) moving over leaf, Siquirres, Limon, Costa Rica.

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

Lucas Bustamante / Eyelash viper (Bothriechis schlegelii) portrait, Siquirres, Limon, Costa Rica.