Ma's night monkey
Aotus nancymai Hershkovitz, 1983
Status not recordedprimates
The ma's night monkey (Aotus nancymai) is a species in the family Aotidae, order Primates. Recorded adults weigh 788 g to 791 g and live up to 11.4 years.
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Quick facts about the ma's night monkey
- Weight
- 788 g
- Length
- Not recorded
- Lifespan
- 11.4 years
- Diet
- Herbivore
- Main food
- Not recorded
- Habitat
- Not recorded
- Young per litter or clutch
- 1.02
- Active
- At night (nocturnal)
- Lifestyle
- Arboreal
- Conservation status
- Not recorded
- Countries on record
- Not recorded
Where does the ma's night monkey live?
Not recorded
Is the ma's night monkey endangered?
No conservation assessment is recorded for this species in our sources. That is not the same as being safe: it has not been matched to an assessment.
How is the ma's night monkey classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderPrimates
- familyAotidae
- genusAotus
- SpeciesAotus nancymai Hershkovitz, 1983
Synonyms Aotus nancymaae
Other names and names in other languages (16)
- Nancy Ma’s night monkeyEnglish
- Peruvian red-necked owl monkeyEnglish
- قرد الليل نانسي ماArabic
- mirikina loretskáCzech
- Nancy-Ma-NachtaffeGerman
- Mono NocturnoSpanish
- tigrenyöapinaFinnish
- Douroucouli du LoretoFrench
- ナンシーヨザルJapanese
- Nancy Ma's NachtaapjeDutch
- ponocnica peruwiańskaPolish
- Macaco-da-noite-de-nancy-maPortuguese
- 秘魯夜猴Chinese
- Macaco Da NoiteSpanish
- Mico de noche de Nancy MaSpanish
- MusmuquiSpanish
Relatives of the ma's night monkey
Other species in the same genus Aotus.

Three-striped night monkey
Aotus trivirgatus

Azara's night monkey
Aotus azarae

Gray-bellied night monkey
Aotus lemurinus

Peruvian night monkey
Aotus miconax

Black-headed night monkey
Aotus nigriceps

Spix's night monkey
Aotus vociferans
CompareMa's night monkey vs Three-striped night monkeyMa's night monkey vs Azara's night monkeyMa's night monkey vs Gray-bellied night monkeyMa's night monkey vs Peruvian night monkey
Common questions
Answered only where our data holds the answer.
How big is the ma's night monkey?
An adult ma's night monkey weighs 788 g, according to values recorded on Wikidata.
How long does the ma's night monkey live?
The ma's night monkey has a recorded lifespan of 11.4 years.
What kind of animal is the ma's night monkey?
The ma's night monkey (Aotus nancymai) belongs to the family Aotidae 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 - AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5 - AVONET: morphological, ecological and geographical data for all birds · CC BY 4.0 · v7
Tobias, J.A. et al. (2022) AVONET: morphological, ecological and geographical data for all birds. Ecology Letters 25: 581–597. https://doi.org/10.1111/ele.13898. Data: https://doi.org/10.6084/m9.figshare.16586228.v7 - 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 - LepTraits 1.0: a globally comprehensive dataset of butterfly traits · CC0 1.0 · 1.0
Shirey, V., Larsen, E., Doherty, A. et al. (2022) LepTraits 1.0: a globally comprehensive dataset of butterfly traits. Scientific Data 9: 382. https://doi.org/10.1038/s41597-022-01473-5. Data: https://doi.org/10.6084/m9.figshare.19874602.v1 - Northwestern European arthropod life histories and ecological traits (raw datasets) · CC BY 4.0 · 2024-12-17
Logghe, G., Batsleer, F., Maes, D. et al. (2025) An in-depth dataset of northwestern European arthropod life histories and ecological traits. Biodiversity Data Journal 13: e146785. https://doi.org/10.3897/BDJ.13.e146785. Data: https://doi.org/10.5281/zenodo.13379714 - ReptTraits: a comprehensive dataset of ecological traits in reptiles · CC BY 4.0 · v1-2
Oskyrko, O., Mi, C., Meiri, S. et al. (2024) ReptTraits: a comprehensive dataset of ecological traits in reptiles. Scientific Data 11: 243. https://doi.org/10.1038/s41597-024-03079-5. Data: https://doi.org/10.6084/m9.figshare.24572683.v4 - Sharkipedia: a curated open access database of shark and ray life history traits · CC BY 4.0 · 1.0-2022-06-17
Mull, C.G., Pacoureau, N., Pardo, S.A. et al. (2022) Sharkipedia: a curated open access database of shark and ray life history traits and abundance time-series. Scientific Data 9: 559. https://doi.org/10.1038/s41597-022-01655-1. Data: https://doi.org/10.5281/zenodo.6656525 - SquamBase 1.0 - a dataset of squamate species traits · CC0 1.0 · 1.0-dryad-v5
Meiri, S. (2024) SquamBase - a database of squamate (Reptilia: Squamata) traits. Global Ecology and Biogeography 33(4): e13812. https://doi.org/10.1111/geb.13812. Data: https://doi.org/10.5061/dryad.76hdr7t3b - TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe · CC BY 4.0 · 2.0
Chauvier, Y., Adde, A., Bergamini, A. et al. (2025) TraitCH: a multi-taxa functional trait dataset for Switzerland and Europe. Zenodo. https://doi.org/10.5281/zenodo.15063844 - 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).
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CreatureData. (2026). Ma's night monkey (Aotus nancymai). Retrieved from https://creaturedata.com/animals/mas-night-monkey
“Ma's night monkey (Aotus nancymai).” CreatureData, 2026, https://creaturedata.com/animals/mas-night-monkey.
@misc{mas_night_monkey_2026,
title = {Ma's night monkey (Aotus nancymai)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/mas-night-monkey},
note = {Data as of 2026-11-11}
}