Bald uakari
Cacajao calvus (I. Geoffroy Saint-Hilaire, 1847)
The bald uakari (Cacajao calvus) is a species in the family Pitheciidae, order Primates. Recorded adults weigh 3.42 kg to 5.8 kg and live up to 25 years. Its IUCN Red List status is Least Concern.

Quick facts about the bald uakari
- Weight
- 3.42 kg – 5.8 kgsrc for Weight
- Length
- Not recorded
- Lifespan
- 25 yearssrc for Lifespan
- Diet
- Frugivoresrc for Diet
- Longest recorded lifespan
- 37.8 years
- Main food
- Not recorded
- Habitat
- Not recorded
- Gestation
- 182 dayssrc for Gestation
- Young per litter or clutch
- 1src for Young per litter or clutch
- Age at maturity
- 3.3 yearssrc for Age at maturity
- Litters or clutches a year
- 0.5src for Litters or clutches a year
- Active
- By day (diurnal)src for Active
- Lifestyle
- Arborealsrc for Lifestyle
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the bald uakari live?
Not recorded
What is the bald uakari?
The bald uakari (Cacajao calvus) or bald-headed uakari is a small New World monkey characterized by a very short tail, a bright, crimson face, bald head, and long coat. The bald uakari is restricted to várzea forests and other wooded habitats near water in the western Amazon of Brazil and Peru.
From the Wikipedia article “Bald uakari” (en.wikipedia.org/w/index.php?title=Bald_uakari&oldid=1371923735), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the bald uakari endangered?
The bald uakari is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species.
How is the bald uakari classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderPrimates
- familyPitheciidae
- genusCacajao
- SpeciesCacajao calvus (I. Geoffroy Saint-Hilaire, 1847)
Synonyms Brachyurus calvus, Brachyurus calvus, Cacajao calvus calvus, Cacajao calvus calvus, Pithecia alba
Other names and names in other languages (41)
- Bald UacariEnglish
- Bald UacariEnglish
- Bald-headed UacariEnglish
- Bald-headed UacariEnglish
- Bald-headed uakariEnglish
- Bald-headed uakariEnglish
- Bald-headed uakariEnglish
- Red UacariEnglish
- Red uakariEnglish
- Red uakariEnglish
- Red-and-white UacariEnglish
- Red-and-white UacariEnglish
- White bald uakariEnglish
- White bald-headed UacariEnglish
- White bald-headed uakariEnglish
- White UacariEnglish
- White uakariEnglish
- واكاري أصلعArabic
- uakari šarlatolícíCzech
- Weißer UakariGerman
- Weißer Kahlkopf-UakariGerman
- UacarSpanish
- CacajaoSpanish
- CacayaoSpanish
- Huapo ColoradoSpanish
- Huapo RojoSpanish
- Mono InglesSpanish
- UacariesSpanish
- kalju-uakariFinnish
- Ouakari ChauveFrench
- アカウアカリJapanese
- HvituakariNorwegian Bokmål
- RødfjesuakariNorwegian Bokmål
- Gewone OeakariDutch
- uakari czerwono-białyPolish
- Uacari-brancoPortuguese
- лысый уакариRussian
- Западный какажаоRussian
- ลิงวาคาริหัวล้านThai
- Kızıl uvakariTurkish
- 白禿猴Chinese
Relatives of the bald uakari
Other species in the same genus Cacajao.

Golden-backed uakari
Cacajao melanocephalus
Araçá Uacari
Cacajao ayresi
Uakari
Cacajao hosomi
Kanamari bald Uacari
Cacajao amuna
Novaes' bald uakari
Cacajao novaesi
Red Uacari
Cacajao rubicundus
CompareBald uakari vs Golden-backed uakariBald uakari vs Araçá UacariBald uakari vs UakariBald uakari vs Kanamari bald Uacari
Common questions
Answered only where our data holds the answer.
How big is the bald uakari?
An adult bald uakari weighs 3.42 kg – 5.8 kg, according to values recorded on Wikidata.
Is the bald uakari endangered?
The bald uakari is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
How long does the bald uakari live?
The bald uakari has a recorded lifespan of 25 years.
How long is the bald uakari pregnant?
The recorded gestation period is 182 days.
What kind of animal is the bald uakari?
The bald uakari (Cacajao calvus) belongs to the family Pitheciidae in the order Primates.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Bald uakari (Cacajao calvus). Retrieved from https://creaturedata.com/animals/bald-uakari
“Bald uakari (Cacajao calvus).” CreatureData, 2026, https://creaturedata.com/animals/bald-uakari.
@misc{bald_uakari_2026,
title = {Bald uakari (Cacajao calvus)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/bald-uakari},
note = {Data as of 2026-11-11}
}