Eyelash Viper, yellow morph

Eyelash vipers (Bothriechis schlegelii,) are small ambush hunters. They may sit in the same location (often on a large leaf) for several days waiting for frogs, lizards and small birds. IIRC, this one was about 14" long.

Bothriechis schlegeliieyelash viperLa Selva Biological StationCosta Ricamacro photographywildlife photography