Rhadinaea montana
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days ~10% in a week ~30%
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 →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cumbres de Monterrey National Park | 🇲🇽 Mexico |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monterrey | 🇲🇽 México |
Rare
Under 5% of wildlife watchers report a Nuevo Leon Graceful Brown Snake sighting in Monterrey on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 15th most-seen of the 26 reptiles we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
March, July–September and November
In those months about 10% of wildlife watchers report a Nuevo Leon Graceful Brown Snake in Monterrey on a given day, against under 5% in April–June, October and December–February, the lowest months.
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.
Only Monterrey, in our data
Monterrey is the only city on Wallace's Line with enough records to rate Nuevo Leon Graceful Brown Snake sightings: under 5% of wildlife watchers there report one on a given day.
Same family: Colubridae
The closest relatives of the Nuevo Leon Graceful Brown Snake that you can see in Monterrey (family Colubridae, Colubrid Snakes) are Great Plains Ratsnake (about 10%), Northern Cat-eyed Snake (about 10%) and Western Ribbon Snake (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Nuevo Leon Graceful Brown Snake is recorded against all the reptiles logged in Monterrey (10 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.
