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Colubridae

Argentine Pampas Snake

Harmless

Phimophis guerini

Argentine Pampas Snake
Phimophis guerini, © Thomaz de Carvalho Callado
Argentine Pampas SnakeArgentine Pampas SnakeArgentine Pampas SnakeArgentine Pampas SnakeArgentine Pampas Snake

6 photographs of the Argentine Pampas Snake. © Thomaz de Carvalho Callado.

The Argentine Pampas Snake (Phimophis guerini) is a non-venomous snake in the Colubridae family, recorded in 5 countries.

Family
Colubridae

About the Argentine Pampas Snake

Phimophis guerini, also known commonly as the Argentine pampas snake, is a species of snake in the subfamily Dipsadinae of the family Colubridae. The species is endemic to South America.

Etymology

The specific name, guerini, is in honor of French entomologist Félix Édouard Guérin-Méneville.

Geographic distribution and habitat

P. guerini has been recorded from open areas and savannas in Argentina, Brazil, and Paraguay.

Description

P. guerini may attain a snout-to-vent length (SVL) of 75 cm (30 in).

It has eight upper labials and nine or ten lower labials. The dorsal scales are in 21 rows anteriorly, 19 rows at midbody, and 17 rows posteriorly. The ventrals number about 200. The subcaudals number about 70 (a few more in males, a few less in females).

Behavior

P. guerini is terrestrial and nocturnal.

Diet

P. guerini preys predominately upon lizards, but also occasionally upon small mammals.

Reproduction

P. guerini is oviparous. Clutch size is three to seven eggs.

Adapted from Wikipedia, available under CC BY-SA.

Frequently asked: Argentine Pampas Snake

Is the Argentine Pampas Snake venomous?
No. The Argentine Pampas Snake (Phimophis guerini) is non-venomous and is not considered dangerous to humans. Like most snakes, it will retreat rather than bite when given the chance.
Is the Argentine Pampas Snake poisonous?
Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Argentine Pampas Snake is neither poisonous nor venomous.
Is the Argentine Pampas Snake dangerous?
The Argentine Pampas Snake is not dangerous to humans. It has no medically significant venom and bites only defensively if cornered or handled.
Where does the Argentine Pampas Snake live?
The Argentine Pampas Snake has verified records in 5 countries, including Brazil, Argentina, Paraguay. See the distribution section below for its full range.
What does the Argentine Pampas Snake eat?
P. guerini preys predominately upon lizards, but also occasionally upon small mammals.
Why is it called the Argentine Pampas Snake?
The specific name, guerini, is in honor of French entomologist Félix Édouard Guérin-Méneville.

Where it is found

More Colubridae snakes

Classification

How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.

OrderThe broad group of scaled reptiles: all snakes and lizards
Squamata
FamilyA group of related snakes that share key traits
Colubridae
GenusA close-knit group of very similar species
Phimophis
SpeciesThis exact snake, named in the two-part scientific name
Phimophis guerini

Keep learning

Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.