Leontocebus weddelli
Silhouette: Kai Caspar · PhyloPic
In 3 days ~70% in a week ~90%
Weddell's saddle-back tamarin (Leontocebus weddelli) is a species of saddle-back tamarin, a type of small monkey from South America. Weddell's saddle-back tamarin was formerly considered to be a subspecies of the brown-mantled tamarin, L. fuscicollis. It lives in Brazil, Bolivia and Peru, with the type locality being in Bolivia.
There are 3 subspecies: Leontocebus weddelli weddelli Crandall's saddle-back tamarin, (Leontocebus weddelli crandalli) White-mantled tamarin or White saddle-back tamarin, (Leontocebus weddelli melanoleucus) Males have a head and body length of about 190.0 millimetres (7.48 in) and females have a head and body length of about 196.6 millimetres (7.74 in). The tail is between 250 millimetres (9.8 in) and 300 millimetres (12 in) long. Males weigh about 359 grams (12.7 oz) and females weight about 357 grams (12.6 oz).
Its diet consists of fruits, gums, nectar, insects and other small animals. It lives in various types of groups, including single-adult male, single adult female groups, multi-male, multi-female groups, single-male, multi-female groups and single female, multi male groups. Females sometimes remain in their natal group. It associates with the emperor tamarin, the red-bellied tamarin and Goeldi's marmoset.
The IUCN rates it as least concern from a conservation standpoint. Wikipedia →
Recording0:32
Brazil · 2021
© Marllus Rafael Almeida · iNaturalist · CC BY-NC 4.0
Recording0:07
Peru · 2026
© Archer Silverman · iNaturalist · CC BY 4.0
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Manu National Park | 🇵🇪 Peru | |
| 2 | Tambopata National Reserve | 🇵🇪 Peru |
| # | Zoo / Centre | Country | |
|---|---|---|---|
| 1 | Pantropica | 🇳🇱 Netherlands |
Possible
About 30% of wildlife watchers report a White-mantled Tamarin sighting in Tambopata National Reserve on a given day, based on 63 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 4th most-seen of the 28 mammals 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.
December
In that month about 50% of wildlife watchers report a White-mantled Tamarin in Tambopata National Reserve on a given day, against about 20% in January, the lowest month. That is one of Tambopata National Reserve's wettest months, with about 400 mm of rain against 45 mm in July.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most White-mantled Tamarin sightings with a recorded time, and about 9 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 White-mantled Tamarin sightings, Tambopata National Reserve ranks 2nd at about 30%. The best odds are in Manu National Park (Peru, about 40%).
Same order: Primates
The closest relatives of the White-mantled Tamarin that you can see in Tambopata National Reserve (order Primates) are Black-capped Squirrel Monkey (about 50%), Brown Capuchin (about 50%) and Toppin's Titi (about 30%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the White-mantled Tamarin is recorded against all the mammals logged in Tambopata National Reserve (63 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.
