Painted Lancehead

Painted Lancehead

Bothrops diporus

Silhouette: Steven Traver · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability ~10% · With luck
at Cordoba

In 3 days ~30% in a week ~60%

8 Verified sightings at Cordoba
29 In all 3 parks From 2019 to 2026
February Best month
☀️🌙 Day & Night When it's spotted

About the Painted Lancehead

Bothrops diporus, also known in Portuguese as Bocuda, Cabeça-de-Capanga, Jararaca-do-Chaco, Jararaca-do-Rabo-Branco, Jararaca-Pintada, Jararaca-Pintada-Argentina and Jararaca-Pintada-do-Sul, is a species of viper from the forests of Argentina, Brazil, Paraguay and Bolivia. As with all vipers, it is venomous.

Bothrops diporus is identifiable by its dark pattern, which consists mainly of fused dark triangular markings on a lighter base colour, similar to that of B. ayerbei with the two rounded dark blotches at the base of each triangle.

Bothrops diporus have been sighted at a length of around 70–80 cm (28–31 in). Bothrops diporus has been sighted partaking in ophiophagy of Chironius maculoventris and Epictia albipuncta, however it is known for its largely mammalian diet, including rodents, frogs and lizards. Bothrops diporus is one of the main causes of snakebite in Argentina: between 1960 and 1975, according to Esteso (1985), 80% of the approximately 500 cases reported each year were attributed to this species.

Bothrops diporus has been found in the Vermejo River region, on the boundary of Paraguay and Argentina. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 El Impenetrable National Park 🇦🇷 Argentina
~50%
2 Iguazú National Park 🇦🇷 Argentina
~10%
3 Iguaçu National Park 🇧🇷 Brazil
~10%

Cities Where Found

# City Country Daily sighting probability
1 Cordoba 🇦🇷 Argentina
~10%

Before you go

What are the chances of seeing a Painted Lancehead in Cordoba?

With luck

About 10% of wildlife watchers report a Painted Lancehead sighting in Cordoba on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 5th most-seen of the 7 reptiles we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.

When is the best time to see a Painted Lancehead in Cordoba?

February

In that month about 40% of wildlife watchers report a Painted Lancehead in Cordoba on a given day, against under 5% in May to December, the lowest months. That is one of Cordoba's wettest months, with about 130 mm of rain against 5 mm in August.

What time of day is best to see a Painted Lancehead?

Between 6 and 9 pm

Across all the parks we cover, that three-hour window holds the most Painted Lancehead sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.

Where else can you see a Painted Lancehead?

Only Cordoba, in our data

Cordoba is the only city on Wallace's Line with enough records to rate Painted Lancehead sightings: about 10% of wildlife watchers there report one on a given day.

Where does the Painted Lancehead sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Painted Lancehead is recorded against all the reptiles logged in Cordoba (8 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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