Chironius exoletus
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~20% in a week ~50%
Chironius exoletus is a species of snake of the family Colubridae. It is commonly known as Linnaeus's sipo. The snake is found in South America and Central America. Species Chironius exoletus at The Reptile Database Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica | |
| 2 | Tambopata National Reserve | 🇵🇪 Peru | |
| 3 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San José | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Linnaeus' Sipo sighting in Tambopata National Reserve on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 44th most-seen of the 47 reptiles we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.
November
In that month about 30% of wildlife watchers report a Linnaeus' Sipo in Tambopata National Reserve on a given day, against under 5% in February–August, October and December, the lowest months. That is one of Tambopata National Reserve's wettest months, with about 310 mm of rain against 45 mm in July.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Linnaeus' Sipo sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 3 parks where we can rate Linnaeus' Sipo sightings, Tambopata National Reserve ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Monteverde Cloud Forest Reserve (Costa Rica, about 10%).
GBIF citizen-science records
It is estimated from how often the Linnaeus' Sipo is recorded against all the reptiles logged in Tambopata National 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.
