Smilisca manisorum
Silhouette: Dmitry Bogdanov (vectorized by T. Michael Keesey) · PhyloPic
In 3 days ~70% in a week ~90%
Smilisca manisorum, or the masked tree frog, is a frog in the family Hylidae, endemic to Costa Rica, Panama, Honduras and Nicaragua. It lives in coastal forests. Scientists have seen it as high as 540 meters above sea level.
The species was originally synonymized with the common Mexican tree frog (Smilisca baudinii), but was resurrected as a species in 2017. New Granada cross-banded tree frog Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 2 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Tortuguero National Park | 🇨🇷 Costa Rica | |
| 4 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
Possible
About 30% of wildlife watchers report an Eastern Masked Tree Frog sighting in Tenorio Volcano National Park on a given day, based on 30 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 12th most-seen of the 32 amphibians we can rate there. Over three days the chance rises to about 70%, and over a week to about 90%, if each day is a fresh chance.
June
In that month about 50% of wildlife watchers report an Eastern Masked Tree Frog in Tenorio Volcano National Park on a given day, against under 5% in February and August, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Eastern Masked Tree Frog sightings with a recorded time, and about 9 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
2nd of 4
Of the 4 parks where we can rate Eastern Masked Tree Frog sightings, Tenorio Volcano National Park ranks 2nd at about 30%. The best odds are in Braulio Carrillo National Park (Costa Rica, about 40%).
Same genus: Smilisca
The closest relatives of the Eastern Masked Tree Frog that you can see in Tenorio Volcano National Park (genus Smilisca, Cross-banded Tree Frogs) are Masked Tree Frog (about 40%), Mexican Smilisca (about 20%) and Drab Tree Frog (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Eastern Masked Tree Frog is recorded against all the amphibians logged in Tenorio Volcano National Park (30 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.
