Black-headed Calico Snake (Oxyrhopus melanogenys melanogenys) (cowyeow) Tags: orange santacruz black macro peru southamerica river amazon rainforest reptile snake calico tropical snakes loreto herp reptiles herps peruvian herpetology banded blackheaded forestreserve amazonriver blackandorange herping snakehunting oxyrhopus melanogenys calicosnake oxyrhopusmelanogenys santacruzforestreserve