Bothrops ammodytoides is known as "Yarará ñata" (Spanish for "short-nosed yarará"), making reference to its characteristic snout. Found only in Argentina in the provinces of Buenos Aires, Catamarca, Córdoba, Chubut, La Pampa, La Rioja, Mendoza, Neuquén, Río Negro, San Juan, San Luis, Santa Cruz and Tucumán. The vertical distribution ranges from sea level to at least altitude. The type locality was first listed as "northern Argentina" and later emended to "province of Mendoza" Campbell and Lamar (1989). The geographic range of "Bothrops ammodytoides" extends to 47° S Latitude, which may make it the world's southernmost snake. Prefers dry regions, occurring in temperate
Formosa, Goiás information about tourist sites is from the Prefeitura de Formosa Lagoa Feia means "ugly lake" in Portuguese. Located four kilometers from the center of the town, the Preto River, which flows south into the São Francisco, begins here. The south bank is part of an army base which is used for field training. This cave, called Hole of the Macaws, is 41 kilometers from Formosa, following BR-20 north as far as the village of Bezerra. The cave is located in the middle of a flat landscape with scarce vegetation. One may see high trees and a river which forms a