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{{Short description|Genus of Old World monkeys}}
{{Automatic taxobox
| name = Douc<ref name=msw3>{{MSW3 Groves|pages=173}}</ref>
| image = Red-shanked Douc (Pygathrix nemaeus) -Philadelphia Zoo.jpg
| image_caption = [[Red-shanked douc]] (''Pygathrix nemaeus'') at the [[Philadelphia Zoo]]
| taxon = Pygathrix
| authority = [[Étienne Geoffroy Saint-Hilaire|É. Geoffroy]], 1812
| display_parents = 2
| type_species = ''[[red-shanked douc|Simia nemaeus]]''
| type_species_authority = [[Carl Linnaeus|Linnaeus]], 1771
| subdivision_ranks = Species
| subdivision = See text
}}

The '''doucs''' or '''douc langurs''' make up the [[genus]] '''''Pygathrix'''''. They are [[colobine]] [[Old World monkey]]s, native to [[Southeast Asia]], consisting of 3 species: [[red-shanked douc]], [[black-shanked douc]], and [[gray-shanked douc]].

== Description ==
The '''doucs''' are [[colobine]] [[Old World monkey]]s, which make up the [[genus]] '''''Pygathrix'''''. They are native to [[Southeast Asia]].

== Classification ==
Even though they are known as "douc [[langurs]]", they are in fact more closely related to the [[proboscis monkey]] and [[snub-nosed monkey]]s than to any of the [[langur]]s. They are part of the subfamily [[Colobinae]] of the family [[Cercopithecidae]].

{{Species table |genus=[[Pygathrix]] |authority-name= [[Carl Linnaeus|Linnaeus]] |authority-year= 1771 |species-count=three|no-note=y|narrow-percent=75}}
{{Species table/row
|name=[[Black-shanked douc]] |binomial=P. nigripes
|image=File:Black-shanked_douc.jpg |image-size=180px |image-alt=Gray monkey
|authority-name=[[Alphonse Milne-Edwards|A. Milne-Edwards]]|authority-not-original=yes |authority-year=1871
|range=Southeastern Asia |range-image=File:Black-shanked_Douc_area.png |range-image-size=180px
|size={{convert|60|–|76|cm|in|0|abbr=on}} long, plus {{convert|56|–|76|cm|in|0|abbr=on}} tail<ref name="PrimIll118"/>
|habitat=Forest<ref name="IUCNBlack-shankeddouc"/>
|hunting=Leaves, as well as seeds, fruit and flowers<ref name="IUCNBlack-shankeddouc"/>
|iucn-status=CR |population=Unknown
|direction={{decrease|Population declining}}<ref name="IUCNBlack-shankeddouc"/>
}}
{{Species table/row
|name=[[Gray-shanked douc]] |binomial=P. cinerea
|image=File:VOỌC CÚC PHƯƠNG - panoramio.jpg |image-size=120px |image-alt=Gray monkey
|authority-name=[[Tilo Nadler|Nadler]] |authority-year=1997 |authority-not-original=
|range=Southeastern Asia |range-image=File:Pygathrix_cinerea_distribution.svg |range-image-size=180px
|size=About {{convert|60|cm|in|0|abbr=on}} long, plus {{convert|59|–|68|cm|in|0|abbr=on}} tail<ref name="PrimIll118"/>
|habitat=Forest<ref name="IUCNGray-shankeddouc"/>
|hunting=Leaves, as well as buds, fruit, seeds, and flowers<ref name="ADWGray-shankeddouc"/>
|iucn-status=CR |population=Unknown
|direction={{decrease|Population declining}}<ref name="IUCNGray-shankeddouc"/>
}}
{{Species table/row
|name=[[Red-shanked douc]] |binomial=P. nemaeus
|image=File:Portrait_of_a_Douc.jpg |image-size=119px |image-alt=Gray and brown monkey
|authority-name=[[Carl Linnaeus|Linnaeus]] |authority-year=1771 |authority-not-original=yes
|range=Southeastern Asia |range-image=File:Red-shanked_Douc_area.png |range-image-size=180px
|size={{convert|61|–|77|cm|in|0|abbr=on}} long, plus {{convert|55|–|77|cm|in|0|abbr=on}} tail<ref name="ADWRed-shankeddouc"/>
|habitat=Forest<ref name="IUCNRed-shankeddouc"/>
|hunting=Leaves, as well as unripe frui, seeds, and flowers<ref name="ADWRed-shankeddouc"/>
|iucn-status=CR |population=Unknown
|direction={{decrease|Population declining}}<ref name="IUCNRed-shankeddouc"/>
}}
{{Species table/end}}

== Appearance ==
Doucs have a distinct appearance. The red-shanked douc characteristically has bright maroon legs and reddish patches around the eyes. In contrast, the grey-shanked douc is less vibrant, with speckled grey legs and orange markings on the face. Both have dappled grey bodies, black hands and feet and white cheeks, although the cheek hairs of the red-shanked douc are much longer. The black-shanked douc has black legs. Their long hind limbs and tail allow these monkeys to be very agile in their treetop habitat.

== Behavior ==
They live in small family groups headed by one adult male. A single group may have several adult females, and many children. Young males unaffiliated with a family group often make their own troops. Females usually bear a single offspring at a time, which is suckled for about a year.<ref>Felix, Dr. Jiri. "Animals of Asia". London: Hamlyn Publishing Group, 1983.</ref>

==References==
{{Reflist|refs=
<ref name="IUCNGray-shankeddouc">{{cite iucn |last1=Long |first1=H. T. |last2=Duc |first2=H. |last3=Quyet |first3=L. K. |last4=Rawson |first4=B. M. |last5=Nadler |first5=T. |last6=Covert |first6=H. |title=''Pygathrix cinerea'' |volume=2020 |article-number=e.T39827A17941672 |date=2020 |doi=10.2305/IUCN.UK.2020-2.RLTS.T39827A17941672.en}}</ref>
<ref name="ADWGray-shankeddouc">{{cite web |first1=Matt |last1=Berger |title=''Pygathrix cinerea'' |url=https://animaldiversity.org/accounts/Pygathrix_cinerea/ |date=2009 |website=[[Animal Diversity Web]] |publisher=[[University of Michigan]] |access-date=July 24, 2023 |archive-date=January 24, 2023 |archive-url=https://web.archive.org/web/20230124223500/https://animaldiversity.org/accounts/Pygathrix_cinerea/ |url-status=live }}</ref>
<ref name="IUCNRed-shankeddouc">{{cite iucn |last1=Coudrat |first1=C. N. Z. |last2=Quyet |first2=L. K. |last3=Duc |first3=H. |last4=Phiaphalath |first4=P. |last5=Rawson |first5=B. M. |last6=Nadler |first6=T. |last7=Ulibarri |first7=L. |last8=Duckworth |first8=J. W. |title=''Pygathrix nemaeus'' |volume=2020 |article-number=e.T39826A17941247 |date=2020 |doi=10.2305/IUCN.UK.2020-2.RLTS.T39826A17941247.en}}</ref>
<ref name="ADWRed-shankeddouc">{{cite web |first1=Carla |last1=Hara |title=''Pygathrix nemaeus'' |url=https://animaldiversity.org/accounts/Pygathrix_nemaeus/ |date=2003 |website=[[Animal Diversity Web]] |publisher=[[University of Michigan]] |access-date=July 24, 2023 |archive-date=August 12, 2023 |archive-url=https://web.archive.org/web/20230812151409/https://animaldiversity.org/accounts/Pygathrix_nemaeus/ |url-status=live }}</ref>
<ref name="IUCNBlack-shankeddouc">{{cite iucn |last1=Duc |first1=H. |last2=Quyet |first2=L. K. |last3=Rawson |first3=B. M. |last4=O'Brien |first4=J. |last5=Covert |first5=H. |title=''Pygathrix nigripes'' |amends=2020 |volume=2021 |article-number=e.T39828A196138291 |date=2021 |doi=10.2305/IUCN.UK.2021-1.RLTS.T39828A196138291.en}}</ref>
<ref name="PrimIll118">[[#CITEREF_PrimIll|Petter; Desbordes]], p. 118</ref>
}}

==Sources==
{{refbegin}}
* {{cite book |title=Primates of the World: An Illustrated Guide |last1=Petter |first1=Jean-Jacques |last2=Desbordes |first2=François |date=2013 |publisher=[[Princeton University Press]] |isbn=978-0-691-15695-8 |ref=CITEREF_PrimIll}}
{{refend}}

==External links==
{{Wikispecies|Pygathrix|Douc}}
{{Wiktionary|douc}}
* ARKive - [https://web.archive.org/web/20080520113654/http://www.arkive.org/species/GES/mammals/Pygathrix_nigripes/ images and movies of the black-shanked douc ''(Pygathrix nigripes)'']
* [http://pin.primate.wisc.edu/factsheets/links/pygathrix Primate Info Net ''Pygathrix'' Factsheets]
* [https://web.archive.org/web/20180317141944/http://library.sandiegozoo.org/factsheets/douc_langur/langur.htm Fact sheet at San Diego Zoo]

{{C.Colobinae nav}}
{{Haplorhini|C.}}
{{Taxonbar|from=Q1140604}}

[[Category:Doucs| ]]
[[Category:Taxa named by Étienne Geoffroy Saint-Hilaire]]

Douc - Revision history

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