Patagonian Racer

Patagonian Racer

Philodryas patagoniensis

Silhouette: Alex Slavenko · PhyloPic

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~20% · Possible
at Chapada Diamantina National Park
5 Verified sightings at Chapada Diamantina National Park From 2019 to 2026
27 Verified sightings across all 7 parks From 2019 to 2026
May Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Patagonian Racer

Philodryas patagoniensis, also known as the Patagonia green racer, is a species of rear-fanged (opisthoglyphous) venomous snake in the family Colubridae. The species is endemic to cis-Andean South America from northern Argentina to northeastern Brazil; despite its name, most of its range is outside Patagonia.

P. patagoniensis is a medium-sized, cylindrical and robust snake, with a moderately long tail. It can grow to a maximum total length (including tail) of 150 cm (59 in). The snout is rounded. The eye is medium-sized with a round pupil. The dorsal scales are smooth with unique apical scores.

P. patagoniensis is terrestrial, fundamentally arboreal when foraging, and has daytime habits. It has a brownish color that helps in its camouflage. P. patagoniensis has sexual dimorphism in adult specimens. Females have a longer body, with greater corpulence, while males have a longer tail. Females are born with a greater rostro-cloacal length and reach sexual maturity later than males, about 2-years-old. Males can reach sexual maturity at 1-year-old. Reproduction is seasonal, with the vitellogenic season occurring between... Wikipedia →

Global Distribution

Warmer areas are where this animal is recorded most often.

Parks Where Found

# Park Country Daily sighting probability
1 Serra da Canastra National Park 🇧🇷 Brazil
~20%
2 Chapada Diamantina National Park 🇧🇷 Brazil
~20%
3 Iberá National Park 🇦🇷 Argentina
~10%
4 Emas National Park 🇧🇷 Brazil
Insufficient data
5 Península Valdés 🇦🇷 Argentina
Insufficient data
6 El Palmar National Park 🇦🇷 Argentina
Insufficient data
7 Parque Estadual Encontro das Águas 🇧🇷 Brazil
Insufficient data

Quick answers

What are the chances of seeing a Patagonian Racer in Chapada Diamantina National Park?

About 20% of wildlife watchers report a Patagonian Racer sighting in Chapada Diamantina National Park, based on 5 verified sightings from GBIF citizen-science data.

When is the best time to see Patagonian Racer in Chapada Diamantina National Park?

May has the highest sighting rate for Patagonian Racer in Chapada Diamantina National Park in our monthly data.

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