Bothrocophias colombianus, commonly known as the Colombian toad-headed pitviper, is a species of venomous snake in the family Viperidae.McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, Volume 1. Herpetologists' League. 511 pp. (series). (volume). It is endemic to South America.
Geographic range It is found in western Colombia in the departments of Antioquia and Cauca.
Description In coloration and pattern Bothrocophias colombianus closely resembles its North American "cousin" Agkistrodon contortrix mokasen, commonly known as the northern copperhead.
References
Further reading Rendahl, H., and G. Vestergren. Notes on Colombian Snakes. Arkiv för Zoologi 33 (5): 1–16. (Bothrops microphthalmus colombianus, p. 15.)