Rhadinaea calligaster
Silhouette: Jose Carlos Arenas-Monroy · PhyloPic
In 3 days ~10% in a week ~30%
Rhadinaea calligaster, the thick graceful brown snake, is a species of snake in the family Colubridae. It is found in Costa Rica and Panama. Species Rhadinaea calligaster at The Reptile Database Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Los Quetzales National Park | 🇨🇷 Costa Rica | |
| 2 | La Amistad International Park (Panama) | 🇵🇦 Panama |
Rare
Under 5% of wildlife watchers report a Thick Graceful Brown Snake sighting in La Amistad International Park (Panama) on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 49th most-seen of the 63 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.
January–April and October–November
In those months about 10% of wildlife watchers report a Thick Graceful Brown Snake in La Amistad International Park (Panama) on a given day, against under 5% in May–September and December, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Thick Graceful Brown Snake sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 2
Of the 2 parks where we can rate Thick Graceful Brown Snake sightings, La Amistad International Park (Panama) ranks 2nd at under 5%. The best odds are in Los Quetzales National Park (Costa Rica, about 10%).
GBIF citizen-science records
It is estimated from how often the Thick Graceful Brown Snake is recorded against all the reptiles logged in La Amistad International Park (Panama) (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.
