Williamson's mouse-deer
Tragulus williamsoni Kloss, 1961
The williamson's mouse-deer (Tragulus williamsoni) is a species in the family Tragulidae, order Artiodactyla. Recorded adults weigh about 3.85 kg and live up to 14 years. Its IUCN Red List status is Data Deficient.
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Quick facts about the williamson's mouse-deer
- Weight
- 3.85 kgsrc for Weight
- Length
- Not recorded
- Lifespan
- 14 yearssrc for Lifespan
- Diet
- Herbivoresrc for Diet
- Longest recorded lifespan
- 16.7 years
- Main food
- Not recorded
- Habitat
- Not recorded
- Gestation
- 154 dayssrc for Gestation
- Young per litter or clutch
- 1src for Young per litter or clutch
- Age at maturity
- 4.96 months – 5.15 monthssrc for Age at maturity
- Litters or clutches a year
- 1src for Litters or clutches a year
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Terrestrialsrc for Lifestyle
- Conservation status
- Data Deficient (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the williamson's mouse-deer live?
Not recorded
What is the williamson's mouse-deer?
Williamson's mouse-deer (Tragulus williamsoni), also called the northern mouse-deer and Williamson's chevrotain, is a species of even-toed ungulate in the family Tragulidae. It is found in Thailand and southern China. The species is named after the collector Walter James Franklin Williamson.
From the Wikipedia article “Williamson's mouse-deer” (en.wikipedia.org/w/index.php?title=Williamson%27s_mouse-deer&oldid=1379396012), 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 williamson's mouse-deer endangered?
The williamson's mouse-deer is listed as Data Deficient on the IUCN Red List: it has too little data for its risk to be assessed.
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Data Deficient species. What the categories mean.
How is the williamson's mouse-deer classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderArtiodactyla
- familyTragulidae
- genusTragulus
- SpeciesTragulus williamsoni Kloss, 1961
Other names and names in other languages (7)
- Northern chevrotainEnglish
- Northern chevrotainEnglish
- Williamson's chevrotainEnglish
- Williamson's mousedeerEnglish
- Williamson’s chevrotainEnglish
- Williamson’s mouse-deerEnglish
- Yunnan chevrotainEnglish
Relatives of the williamson's mouse-deer
Other species in the same genus Tragulus.
Java mouse-deer
Tragulus javanicus
Lesser mouse-deer
Tragulus kanchil
Greater mouse-deer
Tragulus napu
Vietnam mouse-deer
Tragulus versicolor
Philippine mouse-deer
Tragulus nigricans
CompareWilliamson's mouse-deer vs Java mouse-deerWilliamson's mouse-deer vs Lesser mouse-deerWilliamson's mouse-deer vs Greater mouse-deerWilliamson's mouse-deer vs Vietnam mouse-deer
Common questions
Answered only where our data holds the answer.
How big is the williamson's mouse-deer?
An adult williamson's mouse-deer weighs 3.85 kg, according to values recorded on Wikidata.
Is the williamson's mouse-deer endangered?
The williamson's mouse-deer is listed as Data Deficient on the IUCN Red List, meaning it has too little data for its risk to be assessed.
How long does the williamson's mouse-deer live?
The williamson's mouse-deer has a recorded lifespan of 14 years.
How long is the williamson's mouse-deer pregnant?
The recorded gestation period is 154 days.
What kind of animal is the williamson's mouse-deer?
The williamson's mouse-deer (Tragulus williamsoni) belongs to the family Tragulidae in the order Artiodactyla.
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 - 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). Williamson's mouse-deer (Tragulus williamsoni). Retrieved from https://creaturedata.com/animals/williamsons-mouse-deer
“Williamson's mouse-deer (Tragulus williamsoni).” CreatureData, 2026, https://creaturedata.com/animals/williamsons-mouse-deer.
@misc{williamsons_mouse_deer_2026,
title = {Williamson's mouse-deer (Tragulus williamsoni)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/williamsons-mouse-deer},
note = {Data as of 2026-11-11}
}