Coniophanes fissidens
Silhouette: Alex Slavenko · PhyloPic
In 3 days ~60% in a week ~90%
Coniophanes fissidens, the yellowbelly snake, is a species of snake in the family Colubridae. The species is native to Mexico, Guatemala, Honduras, Belize, Nicaragua, El Salvador, Costa Rica, Panama, Ecuador, Peru, and Colombia. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Pico Bonito National Park | 🇭🇳 Honduras | |
| 2 | Carara National Park | 🇨🇷 Costa Rica | |
| 3 | Corcovado National Park | 🇨🇷 Costa Rica | |
| 4 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 5 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
Possible
About 30% of wildlife watchers report a Yellowbelly Snake sighting in Pico Bonito National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 12th most-seen of the 21 reptiles we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.
May
In that month about 50% of wildlife watchers report a Yellowbelly Snake in Pico Bonito National Park on a given day, against under 5% in February–April and July–October, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Yellowbelly Snake sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Yes
Of the 5 parks where we can rate Yellowbelly Snake sightings, Pico Bonito National Park has the highest daily chance: about 30%. Next come Carara National Park (Costa Rica, about 10%) and Corcovado National Park (Costa Rica, about 10%).
Same family: Colubridae
The closest relatives of the Yellowbelly Snake that you can see in Pico Bonito National Park (family Colubridae, Colubrid Snakes) are Blunthead Tree Snake (about 50%), Red Coffee Snake (about 40%) and Northern Cat-eyed Snake (about 40%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Yellowbelly Snake is recorded against all the reptiles logged in Pico Bonito National Park (6 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.
