Small, but deadly, and native to much of Tropical America. Known as the Fer-de-lance or Lancehead in English and as Barba Amarilla or Quatro Narices in Spanish. Serpentario Armero, Leticia, Colombia. In context at www.dixpix.ca/Amazon/fauna/snakes/index.html
Bilder-Atlas zur wissenschaftlich-populren Naturgeschichte der WirbelthiereWien :K.K. Hof-und Staatsdruckerei,1867.biodiversitylibrary.org/page/4024234Bothrops jararaca was responsible for 52% of snakebites in southeastern Brazil from 1902-45. W/ this pic, u believe it! biodiversitylibrary.org/page/4024234