Xenopholis scalaris
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~40% in a week ~70%
Xenopholis scalaris, also known as Wucherer's ground snake, is a species of snake in the family Colubridae. The species is endemic to South America. Xenopholis scalaris is found in Amazonian Bolivia, Brazil, Ecuador, and Peru. Other locality records include Colombia, French Guiana, and Venezuela.
Wucherer, "Otho" (1861). "Description of a New Species of Elapomorphus from Brazil". Ann. Mag. Nat. Hist., Third Series 9: 318–319. (Elapomorphus scalaris, new species). Species Xenopholis scalaris at The Reptile Database Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tambopata National Reserve | 🇵🇪 Peru | |
| 2 | Cuyabeno Wildlife Reserve | 🇪🇨 Ecuador | |
| 3 | Manu National Park | 🇵🇪 Peru |
With luck
About 10% of wildlife watchers report a Wucherer's Ground Snake sighting in Cuyabeno Wildlife Reserve on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 18th most-seen of the 21 reptiles we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
June, September and December
In those months about 30% of wildlife watchers report a Wucherer's Ground Snake in Cuyabeno Wildlife Reserve on a given day, against under 5% in January–February, April–May, July–August and October–November, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Wucherer's Ground Snake sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
2nd of 3
Of the 3 parks where we can rate Wucherer's Ground Snake sightings, Cuyabeno Wildlife Reserve ranks 2nd at about 10%. The best odds are in Tambopata National Reserve (Peru, about 20%).
Same family: Colubridae
The closest relatives of the Wucherer's Ground Snake that you can see in Cuyabeno Wildlife Reserve (family Colubridae, Colubrid Snakes) are Wagler's Sipo (about 30%), Blunthead Tree Snake (about 20%) and Mountain Keelback (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Wucherer's Ground Snake is recorded against all the reptiles logged in Cuyabeno Wildlife Reserve (5 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.
