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{{Short description|Genus of mammals belonging to the deer, muntjac, roe deer, reindeer, and moose family of ruminants}}
{{Short description|Genus of deer native to Asia}}
{{Automatic taxobox
{{Automatic taxobox
| image = Barasingha.jpg
| image = Barasingha.jpg
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}}
}}


'''''Rucervus''''' is a [[genus]] of [[deer]] from [[India]], [[Nepal]], [[Indochina]], and the Chinese island of [[Hainan]]. The only extant representatives, the [[barasingha]] or swamp deer (''R. duvaucelii)'' and [[Eld's deer]] (''R. eldii''), are [[Threatened species|threatened]] by [[habitat loss]] and hunting; another species, Schomburgk’s deer (''[[Schomburgk's deer|R. schomburgki]])'', went [[extinct]] in 1938.<ref name="EllisNTB">{{cite book|last=Ellis|first=Richard|url=https://books.google.com/books?id=KM6ui31-kOAC&pg=PA311|title=No Turning Back: The Life and Death of Animal Species|date=2004|publisher=Harper Perennial|isbn=0-06-055804-0|location=New York|pages=311–312|author-link=Richard Ellis (biologist)}}</ref> Deer species found within the genus ''Rucervus'' are characterized by a specific [[antler]] structure, where the basal ramification is often supplemented with an additional small prong, and the middle tine is never present. The crown tines are inserted on the posterior side of the beam and may be bifurcated or fused into a small palmation.
'''''Rucervus''''' is a [[genus]] of [[deer]] from [[India]], [[Nepal]], [[Indochina]], and the Chinese island of [[Hainan]]. The only extant representatives, the [[barasingha]] or swamp deer (''R. duvaucelii)'' and [[Eld's deer]] (''R. eldii''), are [[Threatened species|threatened]] by [[habitat loss]] and hunting; another species, [[Schomburgk's deer|Schomburgk’s deer]] (''R. schomburgki)'', went [[extinct]] in 1938.<ref name="EllisNTB">{{cite book|last=Ellis|first=Richard|url=https://books.google.com/books?id=KM6ui31-kOAC&pg=PA311|title=No Turning Back: The Life and Death of Animal Species|date=2004|publisher=Harper Perennial|isbn=0-06-055804-0|location=New York|pages=311–312|author-link=Richard Ellis (biologist)}}</ref> Deer species found within the genus ''Rucervus'' are characterized by a specific [[antler]] structure, where the basal ramification is often supplemented with an additional small prong, and the middle tine is never present. The crown tines are inserted on the posterior side of the beam and may be bifurcated or fused into a small palmation.


==Species==
==Species==
===Extant species===
===Recent species===
{{Species table |genus=[[Rucervus]] |authority-name= [[Brian Houghton Hodgson|Hodgson]]|authority-year= 1838 |species-count=three|no-note=y|narrow-percent=75}}
{| class="wikitable"
!Male
!Female
!Scientific name
!Common name
!Distribution
|-
|[[File:Swamp deer (Cervus duvaucelii branderi) male.jpg|120px]]||[[File:Barasingha females.JPG|120px]] ||''Rucervus duvaucelii'' ([[Georges Cuvier|Cuvier]], 1823) ||[[barasinga|barasingha]]<br>barasinghe<br>swamp deer|| northern and central India and southwestern Nepal
|-
|[[File:Antler and Brown Antler Deer,KoratZoo.jpg|120px]]||[[File:ভারতের হরিণ.jpg|120px]] ||''Rucervus eldii'' ([[John McClelland (doctor)|McClelland]], 1842) || [[Eld's deer]]<br>brow-antlered deer<br>thamin|| South Asia and Southeast Asia.
|-
⚫
|}


{{Species table/row
⚫
===Extinct species===
|name= Barasingha, swamp deer|binomial=[[Rucervus duvaucelii]]
|image=File:Swamp deer (Cervus duvaucelii branderi) male.jpg |image-size=180px |image-alt=
|image2=File:Barasingha females.JPG
|authority-name=[[Georges Cuvier|Cuvier]]|authority-year=1823 |authority-not-original=yes
|range= Northern and central India and southwestern Nepal
|range-image=File:Rucervus duvaucelii range map.png
|range-image-size=180px
|size=
|habitat=
|hunting=
|iucn-status=VU
|population=
|direction=
|subspecies={{Collapsible list |expand=yes |title=Three subspecies |bullets=on
|''R. d. duvauceli'' (Cuvier, 1823)
|''R. d. branderi'' (Pocock 1943)
|''R. d. ranjitsinhi'' (Grooves 1982)
⚫
}}
}}

{{Species table/row
|name= Eld's deer, brow-antlered deer, thamin||binomial=[[Rucervus eldii]]
|image=File:Antler and Brown Antler Deer,KoratZoo.jpg |image-size=180px |image-alt=
|image2=File:ভারতের হরিণ.jpg
|authority-name=[[John McClelland (doctor)|McClelland]] |authority-year=1842|authority-not-original=yes
|range= South Asia and Southeast Asia
|range-image=File:Range Rucervus eldii.png
|range-image-size=180px
|size=
|habitat=
|hunting=
|iucn-status= EN
|population=
|direction=
|subspecies={{Collapsible list |expand=yes |title=Three subspecies |bullets=on
|''R. e. eldii''
|''R. e. thamin''
|''R. e. siamensis''
}}
}}

{{Species table/row
|name=Schomburgk’s deer||binomial=[[Rucervus schomburgki]]
|image=File:SchomburgksDeer-Berlin1911.jpg |image-size=180px |image-alt=
|authority-name=[[Edward Blyth|Blyth]]|authority-year=1863|authority-not-original=yes
|iucn-status= EX
|range= Thailand
|range-image=
|range-image-size=180px
|size=
|habitat=
|hunting=
|population=
|direction=
}}
{{Species table/end}}




⚫
===Fossil species===
*{{extinct}}''Rucervus ardei'' (Croizet & Jobert, 1828) ([[Pliocene]], [[France]])
*{{extinct}}''Rucervus ardei'' (Croizet & Jobert, 1828) ([[Pliocene]], [[France]])
*{{extinct}}''Rucervus colberti'' (Azzaroli, 1954) ([[Tertiary]], [[Sivalik Hills]])
*{{extinct}}''Rucervus colberti'' (Azzaroli, 1954) ([[Tertiary]], [[Sivalik Hills]])
Line 34: Line 84:
*{{extinct}}''Rucervus giulii'' (Kahlke, 1997) ([[Early Pleistocene]], [[Germany]])
*{{extinct}}''Rucervus giulii'' (Kahlke, 1997) ([[Early Pleistocene]], [[Germany]])
*{{extinct}}''Rucervus radulescu''i Croitor, 2018 ([[Early Pleistocene]], [[Romania]])
*{{extinct}}''Rucervus radulescu''i Croitor, 2018 ([[Early Pleistocene]], [[Romania]])
*{{extinct}}''Rucervus schomburgki'' - [[Schomburgk's deer]] ([[Thailand]]; extinct, 1938)
*{{extinct}}''Rucervus simplicidens'' ([[Richard Lydekker|Lydekker]], 1876) ([[Tertiary]], [[Sivalik Hills]])
*{{extinct}}''Rucervus simplicidens'' ([[Richard Lydekker|Lydekker]], 1876) ([[Tertiary]], [[Sivalik Hills]])
*{{extinct}}''Rucervus verestchagini'' (David, 1992) ([[Early Pleistocene]], [[Moldova]])
*{{extinct}}''Rucervus verestchagini'' (David, 1992) ([[Early Pleistocene]], [[Moldova]])


According to the old tradition of zoological taxonomy, swamp deer originally were regarded as members of the genus ''[[Cervus]]. Rucervus'' was originally proposed by Hodgson <ref name=":1">Hodgson, B.H. 1838. Proceedings of Learned Societies. Linnaean Society, Feb. 20, 1838. Ann. Nat. Hist., 1, 152-154.</ref> as a subgenus of the genus ''Cervus.'' The original definition of ''Rucervus'' was mostly based on antler shape believed to be intermediate between that of '''elaphus''<nowiki/>' and '<nowiki/>''hippelaphus''<nowiki/>'. Hodgson <ref name=":1" /> reported that upper canines are present only in males of [[barasingha]], but the additional craniological material shows that upper canines are present in both sexes.<ref name=":0" /> [[Eld's deer]] was regarded as another species of the genus ''Rucervus'', however, the recent [[Genetics|genetic]] evidences suggest that Eld's deer is most closely related to [[Père David's deer]]<ref name="genus">Pitraa, Fickela, Meijaard, Groves (2004). ''Evolution and phylogeny of old world deer.'' Molecular Phylogenetics and Evolution 33: 880–895.</ref><ref name="Gilbert2006">{{cite journal | last1=Gilbert | first1=C. | last2=Ropiquet | first2=A. | last3=Hassanin | first3=A. | title=Mitochondrial and nuclear phylogenies of Cervidae (Mammalia, Ruminantia): Systematics, morphology, and biogeography | journal=Molecular Phylogenetics and Evolution | date=2006 | volume=40 | issue=1 | pages=101–17 | doi=10.1016/j.ympev.2006.02.017 | url=https://www.researchgate.net/publication/7194962 | pmid=16584894}}</ref> and should be placed in its own genus, ''Panolia''.<ref name="Groves06">Groves (2006). ''The genus Cervus in eastern Eurasia.'' European Journal of Wildlife Research 52: 14–22</ref><ref>Groves, C. and Grubb, P. 2011. Ungulate Taxonomy. The Johns Hopkins University Press, Baltimore, USA.</ref> However, it has recently been place back into ''Rucervus'' by the [[American Society of Mammalogists]]<ref>{{BioRef|asm|id=1006320|title=''Rucervus eldii'' |version=1.5 |access-date=26 August 2021}}</ref> despite Eld's deer is not closely related to barasingha in genetics and antler structure.<ref name="antler">{{cite journal | last1=Samejima | first1=Y. | last2=Matsuoka | first2=H. | title=A new viewpoint on antlers reveals the evolutionary history of deer (Cervidae, Mammalia). | journal=Scientific Reports | date=2020 | volume=10 | issue= 1| pages=8910 | doi=10.1038/s41598-020-64555-7 | pmid=32488122| pmc=7265483 | doi-access=free }}</ref>
According to the old tradition of zoological taxonomy, swamp deer originally were regarded as members of the genus ''[[Cervus]]. Rucervus'' was originally proposed by Hodgson <ref name=":1">Hodgson, B.H. 1838. Proceedings of Learned Societies. Linnaean Society, Feb. 20, 1838. Ann. Nat. Hist., 1, 152-154.</ref> as a subgenus of the genus ''Cervus.'' The original definition of ''Rucervus'' was mostly based on antler shape believed to be intermediate between that of '''elaphus''<nowiki/>' and '<nowiki/>''hippelaphus''<nowiki/>'. Hodgson <ref name=":1" /> reported that upper canines are present only in males of [[barasingha]], but the additional craniological material shows that upper canines are present in both sexes.<ref name=":0" /> [[Eld's deer]] was regarded as another species of the genus ''Rucervus'', however, the recent [[Genetics|genetic]] evidences suggest that Eld's deer is most closely related to [[Père David's deer]]<ref name="genus">Pitraa, Fickela, Meijaard, Groves (2004). ''Evolution and phylogeny of old world deer.'' Molecular Phylogenetics and Evolution 33: 880–895.</ref><ref name="Gilbert2006">{{cite journal | last1=Gilbert | first1=C. | last2=Ropiquet | first2=A. | last3=Hassanin | first3=A. | title=Mitochondrial and nuclear phylogenies of Cervidae (Mammalia, Ruminantia): Systematics, morphology, and biogeography | journal=Molecular Phylogenetics and Evolution | date=2006 | volume=40 | issue=1 | pages=101–17 | doi=10.1016/j.ympev.2006.02.017 | url=https://www.researchgate.net/publication/7194962 | pmid=16584894}}</ref> and should be placed in its own genus, ''Panolia''.<ref name="Groves06">Groves (2006). ''The genus Cervus in eastern Eurasia.'' European Journal of Wildlife Research 52: 14–22</ref><ref>Groves, C. and Grubb, P. 2011. Ungulate Taxonomy. The Johns Hopkins University Press, Baltimore, USA.</ref> However, it has recently been place back into ''Rucervus'' by the [[American Society of Mammalogists]]<ref>{{BioRef|asm|id=1006320|title=''Rucervus eldii'' |version=1.5 |access-date=26 August 2021}}</ref> despite Eld's deer is not closely related to barasingha in genetics and antler structure.<ref name="antler">{{cite journal | last1=Samejima | first1=Y. | last2=Matsuoka | first2=H. | title=A new viewpoint on antlers reveals the evolutionary history of deer (Cervidae, Mammalia). | journal=Scientific Reports | date=2020 | volume=10 | issue= 1| pages=8910 | doi=10.1038/s41598-020-64555-7 | pmid=32488122| pmc=7265483 | doi-access=free }}</ref>

The generic name derives from its resemblance to both ''[[Rusa (genus)|Rusa]]'' and ''[[Cervus (genus)|Cervus]]''.<ref>''The Encyclopaedic Dictionary: A New & Original Work of Reference to All the Words in the English Language, with a Full Account of Their Origin, Meaning, Pronunciation, & Use''. (1887:201). United Kingdom: Cassell, Petter, Galpin & Company.</ref>


''Rucervus'' is an ancient cervid lineage that--together with the genus ''[[Chital|Axis]]''--represents the oldest [[evolutionary radiation]] of the subfamily [[Cervinae]] ([[Plesiometacarpal deer|plesiometacarpal]] deer).<ref name="genus" />
''Rucervus'' is an ancient cervid lineage that--together with the genus ''[[Chital|Axis]]''--represents the oldest [[evolutionary radiation]] of the subfamily [[Cervinae]] ([[Plesiometacarpal deer|plesiometacarpal]] deer).<ref name="genus" />

Latest revision as of 05:01, 18 June 2024

Rucervus
Barasingha stag
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Cervidae
Subfamily: Cervinae
Tribe: Cervini
Genus: Rucervus
Hodgson, 1838
Type species
Cervus duvaucelii
(Cuvier, 1823)
Species

See text

Rucervus is a genus of deer from India, Nepal, Indochina, and the Chinese island of Hainan. The only extant representatives, the barasingha or swamp deer (R. duvaucelii) and Eld's deer (R. eldii), are threatened by habitat loss and hunting; another species, Schomburgk’s deer (R. schomburgki), went extinct in 1938.[1] Deer species found within the genus Rucervus are characterized by a specific antler structure, where the basal ramification is often supplemented with an additional small prong, and the middle tine is never present. The crown tines are inserted on the posterior side of the beam and may be bifurcated or fused into a small palmation.

Species

[edit]

Recent species

[edit]
Genus Rucervus – Hodgson, 1838 – three species
Common name Scientific name and subspecies Range Size and ecology IUCN status and estimated population
Barasingha, swamp deer

{{{image-alt2}}}

Rucervus duvaucelii
(Cuvier, 1823)

Three subspecies
  • R. d. duvauceli (Cuvier, 1823)
  • R. d. branderi (Pocock 1943)
  • R. d. ranjitsinhi (Grooves 1982)
Northern and central India and southwestern Nepal
Map of range 		Size:

Habitat:

Diet: 		 VU 


Eld's deer, brow-antlered deer, thamin

{{{image-alt2}}}

Rucervus eldii
(McClelland, 1842)

Three subspecies
  • R. e. eldii
  • R. e. thamin
  • R. e. siamensis
South Asia and Southeast Asia
Map of range 		Size:

Habitat:

Diet: 		 EN 


Schomburgk’s deer

Rucervus schomburgki
(Blyth, 1863) 		Thailand Size:

Habitat:

Diet: 		 EX 




Fossil species

[edit]

According to the old tradition of zoological taxonomy, swamp deer originally were regarded as members of the genus Cervus. Rucervus was originally proposed by Hodgson [2] as a subgenus of the genus Cervus. The original definition of Rucervus was mostly based on antler shape believed to be intermediate between that of 'elaphus' and 'hippelaphus'. Hodgson [2] reported that upper canines are present only in males of barasingha, but the additional craniological material shows that upper canines are present in both sexes.[3] Eld's deer was regarded as another species of the genus Rucervus, however, the recent genetic evidences suggest that Eld's deer is most closely related to Père David's deer[4][5] and should be placed in its own genus, Panolia.[6][7] However, it has recently been place back into Rucervus by the American Society of Mammalogists[8] despite Eld's deer is not closely related to barasingha in genetics and antler structure.[9]

The generic name derives from its resemblance to both Rusa and Cervus.[10]

Rucervus is an ancient cervid lineage that--together with the genus Axis--represents the oldest evolutionary radiation of the subfamily Cervinae (plesiometacarpal deer).[4]

Paleontological record

[edit]

The fossil species of Rucervus of Europe were included in the genus Arvernoceros Heintz, 1971 (the type species: Cervus ardei Croizet & Jobert, 1828) or in the genus Eucladoceros, as in the case of R. giulii. Today, Arvernoceros is regarded as a subgenus of Rucervus.[3] The European fossil forms of Rucervus are distinguished from the South Asian species by more compact crown part of the antler and by the frequent development of a small distal palmation as for instance in R. ardei and R. radulescui. South Asian fossil forms of Rucervus are represented by large-sized R. simplicidens and R. colberti. The late Early Pleistocene of Greece has yielded the remains of a giant species R. gigans that rivaled in size Irish elk Megaloceros giganteus, The giant Rucervus from Greece is distinguished by unusually for such a large animal long limbs and apparently is closely related to R. simplicidens and R. colberti from the Sivaliks.[3] The Southwest-Europe endemic Mid to early Late Pleistocene genus Haploidoceros is regarded as closely allied.[11]

References

[edit]
  1. ^ Ellis, Richard (2004). No Turning Back: The Life and Death of Animal Species. New York: Harper Perennial. pp. 311–312. ISBN 0-06-055804-0.
  2. ^ a b Hodgson, B.H. 1838. Proceedings of Learned Societies. Linnaean Society, Feb. 20, 1838. Ann. Nat. Hist., 1, 152-154.
  3. ^ a b c Croitor, Roman (2018-09-11). "A Description of Two New Species of the Genus Rucervus (Cervidae, Mammalia) from the Early Pleistocene of Southeast Europe, with Comments on Hominin and South Asian Ruminants Dispersals". Quaternary. 1 (2): 17. doi:10.3390/quat1020017.
  4. ^ a b Pitraa, Fickela, Meijaard, Groves (2004). Evolution and phylogeny of old world deer. Molecular Phylogenetics and Evolution 33: 880–895.
  5. ^ Gilbert, C.; Ropiquet, A.; Hassanin, A. (2006). "Mitochondrial and nuclear phylogenies of Cervidae (Mammalia, Ruminantia): Systematics, morphology, and biogeography". Molecular Phylogenetics and Evolution. 40 (1): 101–17. doi:10.1016/j.ympev.2006.02.017. PMID 16584894.
  6. ^ Groves (2006). The genus Cervus in eastern Eurasia. European Journal of Wildlife Research 52: 14–22
  7. ^ Groves, C. and Grubb, P. 2011. Ungulate Taxonomy. The Johns Hopkins University Press, Baltimore, USA.
  8. ^ "Rucervus eldii". ASM Mammal Diversity Database. 1.5. American Society of Mammalogists. Retrieved 26 August 2021.
  9. ^ Samejima, Y.; Matsuoka, H. (2020). "A new viewpoint on antlers reveals the evolutionary history of deer (Cervidae, Mammalia)". Scientific Reports. 10 (1): 8910. doi:10.1038/s41598-020-64555-7. PMC 7265483. PMID 32488122.
  10. ^ The Encyclopaedic Dictionary: A New & Original Work of Reference to All the Words in the English Language, with a Full Account of Their Origin, Meaning, Pronunciation, & Use. (1887:201). United Kingdom: Cassell, Petter, Galpin & Company.
  11. ^ Croitor, Roman; Sanz, Montserrat; Daura, Joan (2020-03-15). "The endemic deer Haploidoceros mediterraneus (Bonifay) (Cervidae, Mammalia) from the Late Pleistocene of Cova del Rinoceront (Iberian Peninsula): origin, ecomorphology, and paleobiology". Historical Biology. 32 (3): 409–427. doi:10.1080/08912963.2018.1499018. ISSN 0891-2963. S2CID 92318533.
[edit]
  • Media related to Rucervus at Wikimedia Commons
  • Data related to Rucervus at Wikispecies
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