Hydrodynastes gigas is a New World species of large, rear-fanged, Dipsadin snake endemic to South America. It is commonly and alternatively known as the false water cobra and the Brazilian smooth snake. The false water cobra is so named because when the snake is threatened it "hoods" as a true cobra does. Unlike a true cobra, though, it does not rear up, but remains in a horizontal position. No subspecies are currently recognized as being valid.
Tantilla melanocephala, commonly known as the black-headed snake or neotropical black-headed snake, is a species of small colubrid snake endemic to Central America and South America.
Spilotes sulphureus, commonly known as the yellow-bellied hissing snake or Amazon puffing snake, is a species of venomous snake in the family Colubridae. It is widely distributed throughout South America, as well as the Caribbean island of Trinidad.
Phrynonax poecilonotus is a species of nonvenomous snake in the family Colubridae. The species is endemic to the New World.
Leptophis ahaetulla, commonly known as the lora or parrot snake, is a species of medium-sized slender snake of the family Colubridae. The species is native to Central America and northern South America.
Atractus trilineatus, commonly known as the three-lined ground snake, is a species of small burrowing snake in the family Colubridae. The species is native to South America.
The banded cat-eyed snake is a species of mildly venomous, rear-fanged, colubrid snake, endemic to the New World.
Oxyrhopus petolarius, commonly known as the forest flame snake, is a species of mildly venomous snake in the family Colubridae. The species is endemic to Central and South America. There are three recognized subspecies.
Erythrolamprus cobella, commonly known as the mangrove snake, is a species of small semi-aquatic snake, which is endemic to South America.
Hydrops triangularis, commonly known as the water false coral snake, triangle water snake, triangle watersnake, or water coral, is a species of snake endemic to northern South America and the Amazon Basin.
The brown-banded water snake is a species of aquatic snake found in tropical South America and Trinidad and Tobago. It is also known as the water mapepire.
Erythrolamprus ocellatus, commonly known as the Tobago false coral snake, red snake, or doctor snake is a species of colubrid snake, which is endemic to the island of Tobago.
Erythrolamprus aesculapii, also known commonly as the Aesculapian false coral snake, the South American false coral snake, and in Portuguese as bacorá, or falsa-coral, is a species of mildly venomous snake in the family Colubridae. The species is endemic to South America.
Tachymenis is a genus of venomous snakes belonging to the family Colubridae. Species in the genus Tachymenis are commonly known as slender snakes or short-tailed snakes and are primarily found in southern South America. Tachymenis are rear-fanged (opisthoglyphous) and are capable of producing a medically significant bite, with at least one species, T. peruviana, responsible for human fatalities.
Shaw's dark ground snake, also known commonly as Shaw's black-backed snake, and in Spanish as candelilla, guarda caminos, and reinita cazadora, is a species of snake in the family Colubridae. The species is native to northern South America.
Oxyrhopus, the false coral snakes, is a genus of colubrid snakes that belong to the subfamily Dipsadinae. All 15 members of the genus are found in the northern part of South America, with the native range of the most widespread member, Oxyrhopus petolarius, extending into Central America and Trinidad and Tobago as well.
Xenodon is a genus of New World snakes in the subfamily Dipsadinae of the family Colubridae.
Pseudoboa, the false boas, is a genus of snakes in the family Colubridae. The genus is endemic to South America.
The crowned false boa is a species of snake in the family Colubridae. The species is endemic to South America.
