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
The Yellow Boa or Boa Coridyu is native to swamps, mainly from southern Brazil to northern Argentina. Buenos Aires Zoo. In context at www.dixpix.ca/Amazon/fauna/snakes/index.html
The Borneo Short-tail Python is endangered due to poaching for its attractive skin. This one is safe at the Serpentarium in Mendoza, Argentina.In context at www.dixpix.ca/indonesia/fauna/reptiles/index.html
It hisses and bites, but no venom. Known as the Short-tailed Boa or as Boa de Amaral this species is native from Bolivia and southern Brazil to northern Argentina. Serpentario Armero, amazonian Colombia. In context at www.dixpix.ca/Amazon/fauna/snakes/index.html