Nuevo Leon Graceful Brown Snake

Nuevo Leon Graceful Brown Snake

Rhadinaea montana

Silhouette: Jose Carlos Arenas-Monroy · PhyloPic

LCNTVUENEndangeredCR Endemic
Daily sighting probability ~10% · With luck
at Cumbres de Monterrey National Park

In 3 days ~20% in a week ~40%

20 Verified sightings at Cumbres de Monterrey National Park From 2019 to 2026
20 In 1 park
November Best month
☀️ Diurnal When it's spotted

About the Nuevo Leon Graceful Brown Snake

Rhadinaea montana, the Nuevo León graceful brown snake, is a species of snake in the family Colubridae. It is found in Mexico. Species Rhadinaea forbesi at The Reptile Database Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Cumbres de Monterrey National Park 🇲🇽 Mexico
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Monterrey 🇲🇽 México
<5%

Before you go

What are the chances of seeing a Nuevo Leon Graceful Brown Snake in Cumbres de Monterrey National Park?

With luck

About 10% of wildlife watchers report a Nuevo Leon Graceful Brown Snake sighting in Cumbres de Monterrey National Park on a given day, based on 20 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 21st most-seen of the 43 reptiles we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.

When is the best time to see a Nuevo Leon Graceful Brown Snake in Cumbres de Monterrey National Park?

November

In that month about 20% of wildlife watchers report a Nuevo Leon Graceful Brown Snake in Cumbres de Monterrey National Park on a given day, against under 5% in December, the lowest month. That is one of Cumbres de Monterrey National Park's driest months, with about 45 mm of rain against 180 mm in September.

What time of day is best to see a Nuevo Leon Graceful Brown Snake?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Nuevo Leon Graceful Brown Snake sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see a Nuevo Leon Graceful Brown Snake?

Only Cumbres de Monterrey National Park, in our data

Cumbres de Monterrey National Park is the only park on Wallace's Line with enough records to rate Nuevo Leon Graceful Brown Snake sightings: about 10% of wildlife watchers there report one on a given day.

Which relatives of the Nuevo Leon Graceful Brown Snake live in Cumbres de Monterrey National Park?

Same family: Colubridae

The closest relatives of the Nuevo Leon Graceful Brown Snake that you can see in Cumbres de Monterrey National Park (family Colubridae, Colubrid Snakes) are Northern Cat-eyed Snake (about 10%), Baird's Ratsnake (about 10%) and Great Plains Ratsnake (about 10%), with each one's daily chance of a sighting.

Where does the Nuevo Leon Graceful Brown Snake sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Nuevo Leon Graceful Brown Snake is recorded against all the reptiles logged in Cumbres de Monterrey National Park (20 verified sightings from 2019 to 2026), 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.

← Back to Cumbres de Monterrey National Park