Pithecia irrorata
Silhouette: T. Michael Keesey · PhyloPic
In 3 days ~40% in a week ~70%
The Rio Tapajós saki or Gray's bald-faced saki (Pithecia irrorata) is a species of saki monkey, a type of New World monkey, from South America. It is found in parts of western Brazil, southeastern Colombia, southeastern Peru and possibly northern Bolivia. Wikipedia →
Recording0:24
Peru · 2010
© dbeadle · iNaturalist · CC BY-NC 4.0
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Manu National Park | 🇵🇪 Peru |
More parks will be added in future updates.
Possible
About 20% of wildlife watchers report a Gray's Bald-faced Saki sighting in Manu National Park on a given day, based on 20 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 16th most-seen of the 42 mammals we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
July
In that month about 30% of wildlife watchers report a Gray's Bald-faced Saki in Manu National Park on a given day, against under 5% in March–May and December, the lowest months. That is one of Manu National Park's driest months, with about 70 mm of rain against 290 mm in February.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Gray's Bald-faced Saki sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Manu National Park, in our data
Manu National Park is the only park on Wallace's Line with enough records to rate Gray's Bald-faced Saki sightings: about 20% of wildlife watchers there report one on a given day.
Same family: Pitheciidae
The closest relatives of the Gray's Bald-faced Saki that you can see in Manu National Park (family Pitheciidae, Sakis, Titis, and Uakaris) are Toppin's Titi (about 40%) and Urubamba Brown Titi (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Gray's Bald-faced Saki is recorded against all the mammals logged in Manu National Park (20 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.
