Cerrophidion sasai, the Costa Rica montane pitviper, is a venomous snake[1] mostly found in the southeastern parts of Mexico to the west of Panama. In Costa Rica it is found in the Cordillera Central and Cordillera de Talamanca at altitudes from
It is a diurnal species of snake that usually feeds on small mammals, birds, lizards, snakes, amphibians, and arthropods.[2]