The fer-de-lance (Bothrops asper) is a highly venomous pit viper species found from southern Mexico to northern South America. It is the most dangerous snake of Central and South America and is the main cause of fatal snakebite incidents within its...
Bothrops atrox — also known as the common lancehead, fer-de-lance, barba amarilla and mapepire balsain — is a highly venomous pit viper species found in the tropical lowlands of northern South America east of the Andes. No subspecies are currently...
Bothrops jararaca — known as the jararaca or yarara — is a species of a highly venomous pit viper endemic to South America in southern Brazil, Paraguay, and northern Argentina. The specific name, jararaca, is derived from the Tupi words yarará and...
The Urutu (Bothrops alternatus) is a highly venomous pit viper species found in South America. Within its range, it is an important cause of snakebite. The common names of this snake urutu and wutu refer to the crescent markings on its body.
The Martinique lancehead (Bothrops lanceolatus) is a venomous species of pit viper generally considered endemic to the Caribbean island of Martinique. Some reserve the common name fer-de-lance for this species, while others apply that name to other...
The Golden lancehead (Bothrops insularis) is a highly venomous pit viper species native to Brazil. The species is named for the light yellowish-brown color of its underside and for its head shape that is characteristic of the genus Bothrops. It is...
Bothrops jararacussu, commonly known in English as the jararacussu, is a highly venomous pit viper species endemic to South America. It is one of the most dreaded snakes in South America and can grow up to 2.2 metres (7.2 ft).
Bothrops bilineatus, also known as the two-striped forest-pitviper, parrotsnake, Amazonian palm viper, or green jararaca, is a highly venomous species of pit viper found in the Amazon region of South America. Two subspecies are currently recognized,...
Bothrops brazili (Brazil's lancehead) is a venomous pitviper species endemic to South America. There are no subspecies that are recognized as being valid.
Bothrops neuwiedi is a highly venomous pit viper species endemic to South America. This relatively small snake has a wide range and is a major source of snakebite in Argentina. It was named after German naturalist Prince Maximilian of Wied-Neuwied...
Bothrops ammodytoides is a venomous pit viper species endemic to Argentina. No subspecies are currently recognized.
Bothrops alcatraz is a venomous pitviper species found only on the Alcatrazes Islands off the coast of southeastern Brazil. No subspecies are currently recognized.
Bothrops taeniatus, the speckled forest-pitviper, is a species of pit viper found in the equatorial forests of South America endemic to Colombia, Ecuador, Peru, And Brazil. The specific name, taenia, is derived from the Greek word, tainia, meaning...
Bothrops medusa is a venomous pitviper species endemic to Venezuela. No subspecies are currently recognized.
Bothrops leucurus, commonly known as the whitetail lancehead or the Bahia lancehead, is a species of venomous snake, a pit viper in the family Viperidae. The species is endemic to Brazil. There are no subspecies which are recognized as being valid....
Bothrops barnetti, also known commonly as Barnett's lancehead and Barnett's pit viper, is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. The species is endemic to Peru. There are no subspecies that are...
Bothrops punctatus is a venomous pitviper species found in Ecuador, Mostly in the Chocó Department in Western Colombia and Panama. No subspecies are currently recognized.
Bothrops oligolepis is a venomous pitviper species found in Peru and Bolivia. The specific name is derived from the Greek words oligo and lepis, meaning "few scales"; probably an allusion to the lower numbers of dorsal and ventral scales that it has...
Bothrops bilineatus smaragdinus is a venomous pitviper subspecies found in the northern and western Amazon region of South America.
Bothrops pulcher is a venomous pitviper species found in South America. The specific name is Latin, meaning "beautiful", in reference to the color pattern. No subspecies are currently recognized.
Bothrops pirajai is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. The species is endemic to Brazil. There are no subspecies that are recognized as being valid.
Bothrops jonathani, known commonly as Jonathan's lancehead or the Cochabamba lancehead, is a species of venomous snake, a pit viper in the family Viperidae. The species is endemic to South America.
Bothrops sanctaecrucis, or the Bolivian lancehead, is a species of venomous snake in the family Viperidae. It is endemic to South America.
Bothrops itapetiningae, or the São Paulo lancehead, is a species of venomous snake in the family Viperidae. It is endemic to Brazil.
Bothrops lutzi, the Cerrado lancehead, is a species of venomous snake in the family Viperidae. The species is endemic to Brazil.
Bothrops osbornei is a species of venomous snake in the family Viperidae. It is found in Ecuador and northwestern Peru.
Bothrops taeniatus lichenosus is a venomous pitviper subspecies endemic to South America and known only from one locality in Bolívar State, Venezuela.
