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Tufted deer

From Wikipedia, the free encyclopedia
Species of mammals

Tufted deer
Male
Female
Scientific classificationEdit this classification
Kingdom:Animalia
Phylum:Chordata
Class:Mammalia
Order:Artiodactyla
Family:Cervidae
Genus:Elaphodus
Milne-Edwards, 1872
Species:
E. cephalophus
Binomial name
Elaphodus cephalophus

Thetufted deer (Elaphodus cephalophus) is a small species ofdeer characterized by a prominent tuft of black hair on its forehead and fang-like canines for the males.[2] It is a close relative of themuntjac, living somewhat further north over a wide area of centralChina and northeasternMyanmar. Suffering from overhunting andhabitat loss, this deer is considered near-threatened. It is theonly member of the genusElaphodus.

Subspecies

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Four subspecies of the tufted deer are recognized, with one having doubtful taxonomic status:[1]

  • E. c. cephalophus – the largest subspecies, brownish coat, found in southwestern China and northeastern Myanmar.
  • E. c. michianus – has a relatively narrow snout, found in southeastern China.
  • E. c. ichangensis – has a relatively broad snout, with a grey-brown coat, found in Central China.[3]
  • E. c. forciensus – doubtful subspecies, distribution unclear.[1]

Description

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The tufted deer is similar to amuntjac in appearance, but the longer necks and legs give it a slightly leaner appearance. The coat is coarse with short and stiff hairs, being almost black in the winter and chocolate brown in the summer. The lips, tip of the ears, and the underside of the tails are white. A tuft of horseshoe-shaped hair is present on the forehead and upper neck, being brown to black, and can be up to 17 centimetres (6.7 in) long.

Perhaps the most striking feature of this deer is the fang-like canines in the males of the species. These can grow up to 2.6 cm (1.0 in) long, or longer in rare cases.[4]

The tufted deer is a small deer, but still larger than most muntjac species. It stands at 50–70 centimetres (20–28 in) at the shoulder, and the weight varies from 17 to 30 kilograms (37 to 66 lb).[5] The tail is short at around 10 cm (3.9 in). The antler is only present in males and is extremely short, almost hidden by its long tuft of hair.[3]

Habitat and distribution

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The tufted deer is found mainly in China, where it occurs in the south from eastern coast to easternTibet. It is absent from the extreme south of the country. There are old records of this species in northeastern Myanmar, but recent surveys failed to find any, possibly due to the lack of surveys on the preferred habitat.[1]

Tufted deers are highly distributed animals where it overlaps in its distribution with other species like the Sambar.[6] It inhabits high, damp forests at 500–4,500 metres (1,600–14,800 ft)above sea level, close to thetree line. It is found in both evergreen anddeciduous forests with extensive understory and nearby freshwater supply. In places such as the Gongga Mountain National Nature Reserve.[6] In this area, the plants and trees change as you go higher in altitude. This means that the plants at the lower part of the mountain are mostly subtropical, while the ones at higher parts of the mountain are those that can survive cold, harsh conditions such as snow.[6] The tufted deer's preference for montane forests emphasizes its ability to live in regions with different temperature variation. Additionally, the availability ofsalt licks is also a positive factor to the presence of this animal. This deer is able to withstand minor human disturbances, and is occasionally found in cultivated lands.[3]

Behavior and reproduction

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The tufted deer is mainly solitary or found in pairs. It iscrepuscular and travels in fixed routes about its territory, which is vigorously defended by the males. It is a timid animal and prefer places with good cover, where it is well camouflaged. It can be easily disturbed and, when alarmed, it will let out a bark before fleeing, moving in cat-like jumps.[7]

Themating season occurs between September and December, during which the loud barks males make could be easily heard. The gestation period lasts about 6 months and a litter of 1–2 is born in late spring and early summer. The young becomessexually mature at the age of 1–2 years, and could live up to 10–12 years in the wild.[3][7]

Themating system of the tufted deer ispolygynous which can lead to male deer fighting over mates. Male adult tufted deer are also known to fight over territory to show dominance. When fighting their main weapon is their elongated canines, and they also use their antlers but they are not as dangerous.[8]

Diet

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Tufted deer are herbivorous species. Their diet mainly consists of leaves, twigs, fruit, and different types of vegetation. Tufted deer are considered both grazers and browsers, meaning they feed on both grass and various other vegetation.[2]

Threats and conservation

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Surveys from 1998 put the estimated population around 300,000–500,000 individuals, though a substantial, ongoing decline is almost certain. Overharvesting of large animals in China is a serious threat to not only this species. The hide of this deer is a fairly high-end textile material, especially after the vigorous conservation efforts made on other more endangered species. Habitat loss is also an issue in this rapidly developing country. In China, this species is listed as provincially protected species in many places, but it is not protected by the national law. It occurs in a number of protected areas. More study needs to be done on this poorly known species for efficient protection.[1]

The tufted deer is part of theyellow species survival plan program by the association of zoos and aquariums, because it cannot maintain 90% gene diversity for 10 generations. To prevent gene diversity to continue dropping, the program plans to work onex situ[9] populations by increasing the number of exhibit places in zoos and making sure that animals can breed. Prior to this the tufted deer population was also decreasing in captivity due to lack of interest in the species, even though captive breeding has greatly helped to conserve this species by facilitatinginterbreeding andgene diversity.[9]

References

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  1. ^abcdeHarris, R.B.; Jiang, Z. (2015)."Elaphodus cephalophus".IUCN Red List of Threatened Species.2015 e.T7112A22159620.doi:10.2305/IUCN.UK.2015-2.RLTS.T7112A22159620.en. Retrieved12 November 2021.
  2. ^abLeslie Jr., David M; Lee, Dana N; Dolman, Richard W (13 December 2013)."Elaphodus cephalophus (Artiodactyla: Cervidae)".Mammalian Species.45 (904):80–91.doi:10.1644/904.1.
  3. ^abcd"毛冠鹿" [Tufted Deer].Hudong.com (in Chinese).Archived from the original on 7 November 2021.
  4. ^"Tufted deer - Elaphodus cephalophus".Ultimate Ungulate. Archived fromthe original on 14 December 2020.
  5. ^Wilson & Mittermeier (2011).Handbook of the Mammals of the World vol. 2, p. 409.ISBN 978-84-96553-77-4
  6. ^abcYou, Z.; Lu, B.; Du, B.; Liu, W.; Jiang, Y.; Ruan, G.; Yang, N. (2022)."Spatio-Temporal Niche of Sympatric Tufted Deer (Elaphodus cephalophus) and Sambar (Rusa unicolor) Based on Camera Traps in the Gongga Mountain National Nature Reserve, China".Animals.12 (19): 2694.doi:10.3390/ani12192694.PMC 9559643.PMID 36230435.
  7. ^abARKive
  8. ^"Elaphodus cephalophus (Tufted deer)".Animal Diversity Web.
  9. ^abPanyaboriban, Saritvich; Singh, Ram; Songsasen, Nucharin; Padilla, Luis; Brown, Janine; Reed, Dolores; Techakumphu, Mongkol; Pukazhenthi, Budhan (1 September 2016)."Reproductive seasonality and sperm cryopreservation in the male tufted deer (Elaphodus cephalophus)".Theriogenology.86 (4):914–923.doi:10.1016/j.theriogenology.2016.03.014.PMID 27125695.
ExtantArtiodactyla species
SuborderRuminantia
Antilocapridae
Antilocapra
Giraffidae
Okapia
Giraffa
Moschidae
Moschus
Tragulidae
Hyemoschus
Moschiola
Tragulus
Cervidae
Large family listed below
Bovidae
Large family listed below
FamilyCervidae
Cervinae
Muntiacus
Elaphodus
Dama
Axis
Rucervus
Elaphurus
Rusa
Cervus
Capreolinae
Alces
Hydropotes
Capreolus
Rangifer
Hippocamelus
Mazama
Ozotoceros
Blastocerus
Pudu
Pudella
Odocoileus
Subulo
FamilyBovidae
Hippotraginae
Hippotragus
Oryx
Addax
Reduncinae
Kobus
Redunca
Aepycerotinae
Aepyceros
Peleinae
Pelea
Alcelaphinae
Beatragus
Damaliscus
Alcelaphus
Connochaetes
Pantholopinae
Pantholops
Caprinae
Large subfamily listed below
Bovinae
Large subfamily listed below
Antilopinae
Large subfamily listed below
FamilyBovidae (subfamilyCaprinae)
Ammotragus
Arabitragus
Budorcas
Capra
Capricornis
Hemitragus
Naemorhedus
Oreamnos
Ovibos
Nilgiritragus
Ovis
Pseudois
Rupicapra
FamilyBovidae (subfamilyBovinae)
Boselaphini
Tetracerus
Boselaphus
Bovini
Bubalus
Bos
Pseudoryx
Syncerus
Tragelaphini
Tragelaphus
(includingkudus)
Taurotragus
FamilyBovidae (subfamilyAntilopinae)
Antilopini
Ammodorcas
Antidorcas
Antilope
Eudorcas
Gazella
Litocranius
Nanger
Procapra
Saigini
Saiga
Neotragini
Dorcatragus
Madoqua
Neotragus
Nesotragus
Oreotragus
Ourebia
Raphicerus
Cephalophini
Cephalophus
Philantomba
Sylvicapra
SuborderSuina
Suidae
Babyrousa
Hylochoerus
Phacochoerus
Porcula
Potamochoerus
Sus
Tayassuidae
Tayassu
Catagonus
Dicotyles
SuborderTylopoda
Camelidae
Lama
Camelus
SuborderWhippomorpha
Hippopotamidae
Hippopotamus
Choeropsis
Cetacea
Elaphodus cephalophus
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