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The Crotalinae, commonly known as pit vipers, [2] [3] or pit adders, are a subfamily of vipers found in Asia and the Americas. Like all other vipers, they are venomous . They are distinguished by the presence of a heat-sensing pit organ located between the eye and the nostril on both sides of the head.
Bothrops insularis, commonly known as the golden lancehead, [3] is a species of extremely venomous pit viper in the subfamily Crotalinae of the family Viperidae.The species is found exclusively on the island of Ilha da Queimada Grande, off the coast of São Paulo state, in Brazil. [3]
Bothrops is a genus of highly venomous pit vipers endemic to the Neotropics. [1] The generic name, Bothrops, is derived from the Greek words βόθρος, bothros, meaning ' pit ', and ὄψ, ops, meaning ' eye ' or ' face ', together an allusion to the heat-sensitive loreal pit organs.
Bothrops atrox — also known as the common lancehead, fer-de-lance, barba amarilla [3] and mapepire balsain — is a highly venomous pit viper species found in the tropical lowlands of northern South America east of the Andes, as well as the Caribbean island of Trinidad. [2] No subspecies are currently recognized. [4]
Agkistrodon piscivorus is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. It is one of the world's few semiaquatic vipers (along with the Florida cottonmouth), and is native to the Southeastern United States. [5] As an adult, it is large and capable of delivering a painful and potentially fatal bite.
Bothrops jararaca—known as the jararaca [4] or yarara [5] —is a highly venomous pit viper species endemic to South America in southern Brazil, Paraguay, and northern Argentina. The specific name, jararaca, is derived from Old Tupi îararaka. Within its geographic range, it is often abundant and is an important cause of snakebite. [4]
The jararacussu is a fairly large pit viper; growing up to 2.2 meters long, with a robust body and head and very aggressive behavior. The color of the body and head varies widely, the background color can be brown or yellow almost black, the pattern of dark and light scales are constituted in a series of dark arches, the spots form on the dorsal midline, which look like a letter x.
Common names: cantil, Mexican cantil, Mexican ground pit viper, [3] cantil viper, [4] black moccasin, [5] Mexican moccasin, [4] more. Agkistrodon bilineatus is a highly venomous pit viper species found in Mexico and Central America as far south as Honduras. [2]