What are the chances of seeing a Harlequin Treefrog in Bastimentos Island National Marine Park?
Possible
About 20% of wildlife watchers report a Harlequin Treefrog sighting in Bastimentos Island National Marine Park on a given day, based on 15 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 11th most-seen of the 18 amphibians we can rate there. Over three days the chance rises to about 50%, and over a week to about 80%, if each day is a fresh chance.
When is the best time to see a Harlequin Treefrog in Bastimentos Island National Marine Park?
September and December
In those months about 40% of wildlife watchers report a Harlequin Treefrog in Bastimentos Island National Marine Park on a given day, against under 5% in March and June–August, the lowest months.
What time of day is best to see a Harlequin Treefrog?
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Harlequin Treefrog 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.
Is Bastimentos Island National Marine Park the best place to see a Harlequin Treefrog?
8th of 14
Of the 14 parks where we can rate Harlequin Treefrog sightings, Bastimentos Island National Marine Park ranks 8th at about 20%. The best odds are in Arenal Volcano National Park (Costa Rica, about 40%), Tenorio Volcano National Park (Costa Rica, about 40%) and Carara National Park (Costa Rica, about 30%).
Which relatives of the Harlequin Treefrog live in Bastimentos Island National Marine Park?
Same family: Hylidae
The closest relatives of the Harlequin Treefrog that you can see in Bastimentos Island National Marine Park (family Hylidae, Hylid Tree Frogs) are Sipurio Snouted Treefrog (about 20%), Red-webbed Tree Frog (about 20%) and Masked Tree Frog (about 20%), with each one's daily chance of a sighting.
Where does the Harlequin Treefrog sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Harlequin Treefrog is recorded against all the amphibians logged in Bastimentos Island National Marine 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.