Chironius grandisquamis
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~20% in a week ~50%
Chironius grandisquamis, the Ecuador sipo, is a species of snake in the family Colubridae. The species is found in Honduras, El Salvador, Nicaragua, Costa Rica, Panama, Ecuador, Peru, Bolivia, and Colombia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 2 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Zoo. La Isla del Tapir | 🇪🇨 Ecuador |
With luck
About 10% of wildlife watchers report an Ecuador Sipo sighting in Arenal Volcano National Park on a given day, based on 15 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 38th most-seen of the 64 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 and December
In those months about 20% of wildlife watchers report an Ecuador Sipo in Arenal Volcano National Park on a given day, against under 5% in May–July and September, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Ecuador 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 2 parks where we can rate Ecuador Sipo sightings, Arenal Volcano National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Braulio Carrillo National Park (Costa Rica, about 10%).
GBIF citizen-science records
It is estimated from how often the Ecuador Sipo is recorded against all the reptiles logged in Arenal Volcano National Park (15 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.
