Pristimantis fenestratus
Silhouette: Dmitry Bogdanov (vectorized by T. Michael Keesey) · PhyloPic
In 3 days ~60% in a week ~90%
Pristimantis fenestratus is a species of frog in the family Strabomantidae. It is found in the Amazon Basin of eastern Peru, north-eastern Bolivia, south-eastern Ecuador, south-eastern Colombia, and Brazil. Its common name is Rio Mamore robber frog, after Mamoré River, its type locality.
Its natural habitats are tropical humid montane and lowland forests; it can also occur in secondary forest and forest edges. It is very common in parts of its range. Wikipedia →
Recording
Brazil · 1985
© M.S. Hoogmoed · Xeno · CC BY 4.0
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Manu National Park | 🇵🇪 Peru | |
| 2 | Tambopata National Reserve | 🇵🇪 Peru |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Manaus | 🇧🇷 Brazil |
Possible
About 30% of wildlife watchers report a Rio Mamore Robber Frog sighting in Manu National Park on a given day, based on 51 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 11th most-seen of the 67 amphibians 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.
January to March
In those months about 40% of wildlife watchers report a Rio Mamore Robber Frog in Manu National Park on a given day, against about 10% in June and October, the lowest months. Those are among Manu National Park's wettest months, with about 260 mm of rain a month against 60 mm in August.
Between 6 and 9 pm
Across all the parks we cover, that three-hour window holds the most Rio Mamore Robber 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.
Yes
Of the 2 parks where we can rate Rio Mamore Robber Frog sightings, Manu National Park has the highest daily chance: about 30%. Next come Tambopata National Reserve (Peru, about 20%).
Same genus: Pristimantis
The closest relatives of the Rio Mamore Robber Frog that you can see in Manu National Park (genus Pristimantis, Rain and Robber Frogs) are Reichle's Robber Frog (about 30%), Carabaya Rain Frog (about 10%) and Trumpeter Robber (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Rio Mamore Robber Frog is recorded against all the amphibians logged in Manu National Park (51 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.
