Père David's deer

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Père David's deer
Temporal range: 3–0 Ma
Late Pliocene to Holocene
Pere David Deer - Woburn Deer Park (5115883164).jpg
Père David's deer (Elaphurus davidianus) at Woburn Deer Park
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Artiodactyla
Family: Cervidae
Subfamily: Cervinae
Genus: Elaphurus
Species: E. davidianus
Binomial name
Elaphurus davidianus
Milne-Edwards, 1866
Père David's deer
Chinese 麋鹿
Literal meaning Elk-deer

Père David's deer (Elaphurus davidianus), also known as the milu (Chinese: 鹿; pinyin: mílù) or elaphure, is a species of deer that are mostly found in captivity. This semiaquatic animal prefers marshland, and is native to the subtropics of China. It grazes mainly on grass and aquatic plants. It is the only extant member of the genus Elaphurus. Based on genetic comparisons, Père David's deer is closely related to the deer of the genus Cervus, leading many experts to suggest merging Elaphurus into Cervus,[2] or demoting Elaphurus to a subgenus of Cervus.[3]


The Père David's deer is endemic to the Chinese region. According to fossil records the species first appeared during the pleistocene period where it could be found anywhere in the Manchuria.[4] This demography changed during the holocene period, during this time the species could only be found in the swamp lands and wet lands in southern China. Due to hunting and land reclamation the demography of the Père David's deer became even smaller. By 1939, the last of the wild species were shot and killed.[5]

Naming and etymology[edit]

Père David's deer (female).

This species of deer was first made known to Western science in 1866 by Armand David (Père David), a French missionary working in China. He obtained the carcasses of an adult male, an adult female and a young male, and sent them to Paris, where the species was named Père David's Deer by Alphonse Milne-Edwards, a French biologist.[1]

The species is sometimes known by its informal name sibuxiang (Chinese: 四不像; pinyin: sì bú xiàng; Japanese: shifuzō), literally meaning "four not alike", which could mean "the four unlikes" or "like none of the four"; it is variously said that the four are cow, deer, donkey, horse (or) camel, and that the expression means in detail:

  • "the hooves of a cow but not a cow, the neck of a camel but not a camel, antlers of a deer but not a deer, the tail of a donkey but not a donkey."
  • "the nose of a cow but not a cow, the antlers of a deer but not a deer, the body of a donkey but not a donkey, tail of a horse but not a horse"
  • "the tail of a donkey, the head of a horse, the hoofs of a cow, the antlers of a deer"
  • "the neck of a camel, the hoofs of a cow, the tail of a donkey, the antlers of a deer"
  • "the antlers of a deer, the head of a horse and the body of a cow"[6]

By this name, this undomesticated animal entered Chinese mythology as the mount of Jiang Ziya in Fengshen Bang (translated as Investiture of the Gods), a Chinese classical work of fiction written during the Ming Dynasty.


Père David's deer (male) at Sharkarosa Ranch, 2014.

The adult Père David's deer reaches a head-and-body length of up to 1.9–2.2 meters (6.2–7.2 ft) and stands about 1.2 meters (3.9 ft) tall at the shoulder.[7] The tail is relatively long for a deer, measuring 50–66 centimeters (20–26 in) when straightened. Weight is between 135 and 200 kilograms (298 and 441 lb). The head is long and slender with large eyes, very large preorbital glands, a naked nose pad and small, pointed ears.[8]

The branched antlers are unique in that the long tines point backward, while the main beam extends almost directly upward. There may be two pairs per year. The summer antlers are the larger set, and are dropped in November, after the summer rut. The second set—if they appear—are fully grown by January, and fall off a few weeks later.[8]

The coat is reddish tan in the summer, changing to a dull gray in the winter. Long wavy guard hairs are present on the outer coat throughout the year, with the coat becoming woolier in winter. There is a mane on the neck and throat and a black dorsal stripe running along the cervicothoracic spine. The tail is about 50 centimeters (20 in) in length, with a dark tuft at the end. The hooves are large and spreading, and make clicking sounds (as in the reindeer) when the animal is moving.[8]

A semiaquatic animal, Père David's deer swims well, spending long periods standing in water up to its shoulders. Although predominantly a grazer, the deer supplements

Birth and Lifespan[edit]

The gestation period is about nine months, roughly around 280 days, after which a single offspring is usually born; twins are born in rare cases. The gestation period is significantly longer than any other deer besides the roe deer. Père David's deer are considered seasonal breeders due to the fact that three out of four calves born during the month of April in captive European populations. The breeding season is 160 days with the mating season usually being in June and July. Calf weight, calculated using Robbins and Robbins equation, tends to be between 11.3 and 13.2 kg. The juveniles (referred to as either fawns or calves) have a spotted coat, as is commonly seen in most species of deer. They are known to develop very quickly after birth. They reach sexual maturity at about 14 months.[8] The average lifespan of a Père David deer is up to 18 years.


To those living in temperate latitudes, Père David's deer has similar reproductive physiological mechanisms. These mechanisms aid in the adaptation to a high latitude environment. The reproductive behavior in stags differs from hinds. In stags rutting behavior includes urine sniffing, anogenital sniffing, wallowing, and antler adorning. Mating behavior includes mounting and copulating. Communication behavior includes the spraying of urine and preorbital gland marking. The stags generally begin to rut prior to any signs of female sexual behavior. The reason to this is to establish a social rank among the stags. For Père David's deer the stag initiates the breeding season with the rutting. In hinds, estrous behavior includes urinating frequently, receptivity, and allowing the stags to mount. Parental behavior involves sniffing the calf, calling, and rubbing the face of the calf. The hind has a typical behavior of being solitary.[9]

In Captivity[edit]

An experiment was conducted to show how captivity would affect the deer's behavior and survival rate. Two areas were created; one with a large area containing a few amount Père David's deer present and one with a small area containing a high concentration of Père David's deer present. It was found when in captivity, it is best to keep the deer in large open areas that allow for adequate space with a reasonable number of individual deer living in the area, if put in a small area with a multitude of individuals present, stress amongst the deer will build up. Studies have shown through the high concentration of fecal matter in an area of captivity with limited space and large amount of Père David deer that they have shown different behavioral patterns to their wild counterparts. Examples would be resting less and standing longer due to human presence, social aggression, and competition over food sources. As a result, it is unwise to keep them in small populated areas because in a long term process, it will lead to a buildup of stress and aggression against each other.[10]

The Père David's deer has been in isolation from the wild for more than 1200 years, now they only view humans as a potential threat, this is due to the lack of predators whIle in captivity. However differences in sex have different views of humans as a threat in. Female-only groups display a lower degree of caution towards humans than in male-only groups. It was hypothesized that the presence of a single type of threat may be sufficient to maintain anti-predator responses in the face of relaxed predation pressure. When in mixed groups vigilance becomes high while in rutting season, this is because the males try to mate with the females; the females maintain a high sense of vigilance due to the harassing of their male counter-part.[11]


Historically, the main predators of the Père David's deer are believed to have been tigers and leopards. Despite no longer encountering ancestral predators while living in captivity. While experimenting with exposures to images and stimuli relating to these big cats, the deer seemed to instinctively react with a cautious predator-prey response typical of wild deer.[12]


Père David's deer (male), with characteristic large preorbital glands, black dorsal stripe and large, spreading hooves.

In neolithic times, the milu's range extended across much of China Proper. Archaeologists have found milu antlers at settlements from the Liao River in the north to Jiangsu and Zhejiang Province and across the Yellow and Yangtze River Basins in Shaanxi and Hunan Province.[13]

Extinction in China[edit]

In the late 19th century, the world's only herd belonged to Tongzhi, the Emperor of China. The herd was maintained in the Nanyuan Royal Hunting Garden in Nan Haizi, near Peking.[14] In 1895, one of the walls of the hunting garden was destroyed by a heavy flood of the Yongding River, and most of the animals escaped and were killed and eaten by starving peasants. Fewer than thirty Père David's Deer remained in the garden. Then in 1900, during the Boxer Rebellion, the garden was occupied by troops and the remaining deer were shot and eaten, leaving the animal extinct in its native China.[1]

A few of the deer had previously been illegally transported to Europe for exhibition and breeding. After the extirpation of the Chinese population in 1900, Herbrand Russell, 11th Duke of Bedford, was instrumental in saving the species. He acquired the few remaining animals from European zoos and nurtured a herd at Woburn Abbey. Threatened again by both World Wars, the species survived largely due to the efforts of Bedford and his son Hastings, later 12th Duke of Bedford. The current world population, now found in zoos around the world, stems from the Woburn Abbey herd.[15]


Reintroduction of Père David's deer to China began in 1985, with a herd of 20 deer (5 males and 15 females). This was followed in 1987 by a second herd, consisting of 18 deer (all females). Both herds had been drawn from the Woburn Abbey herd and were donated by the 12th Duke's grandson and successor, John. The transportation was sponsored by the World Wildlife Fund. The relic site of the Nanyuan Royal Hunting Garden in the southern suburbs of Beijing was chosen as the site of re-introduction, creating the Beijing Milu Park.[1] The population in China expanded to around 2,000 in 2005.[16]

A second re-introduction into China was conducted in 1986 where 36 Père David’s deer were chosen from five UK zoological gardens with the bulk of the deer coming from Whipsnade Wild Animal Park. These deer were introduced into Dafeng Milu Nature Reserve, near the Yellow Sea coast in eastern China. In 2006 the population at this Nature Reserve had reached around 950 with an average annual population increase of 17%.[1]

In 1993, 30 deer taken from the herd at Beijing Milu Park were released into the Tianezhou Milu National Nature Reserve. These were followed by another 34 deer taken from Beijing Milu Park and released into the Tianezhou Reserve. In a 1998 flood, a number of escaped from the reserve and have since been living and multiplying in the wild. As of 2015, the number of deer living in the wild is 700.[17] The average annual population growth rate for Père David’s deer in Tianezhou Nature Reserve was 22.2%.[1]

In 2002, 30 deer taken from the herd at Beijing Milu Park and 20 from Dafeng Nature Reserve were released into the Yuanyang Yellow River Nature Reserve.[1]

When the species was assessed for the IUCN Red List (1996), it was classified as "critically endangered" in the wild, under criterion "D": "[wild] population estimated to number less than 50 mature individuals".[18] In October 2008, they were officially listed as extinct in the wild, though this is no longer accurate.[17] Today, 53 different herds of Père David's deer are found in China. Nine of the herds consist of 25 or under deer, and the remaining herds have under 10 deer.[19] Due to the small population size a lack of genetic diversity is expected, but in spite of the small population size, the animals do not appear to suffer genetic problems from the genetic bottleneck. The captive population in China has increased in recent years, and the possibility remains that free-ranging populations can be reintroduced in the near future.[1]

When reintroduced into their habitat, the species could face many problems due to years in captivity. Relaxed selection and reproduction with no environmental pressure may have taken place for Père David’s deer, due to captive breeding, which can result in the loss of adaptive anti-predator behavior. It is possible that when fully released in the environment from captivity, after generations of offspring, the species could be unable to retain parasite-defense behaviors like grooming. If the population is reintroduced into the environment with no protection against tick infestation then they can face major problems if not adapted to that environment.[20] Since also no longer being adapted to other predators, such as tigers, it could cause confusion for the Père David’s deer. They could have possibly lost the memories of their ancestral predators. Although, a study was done on the species that are in captivity using the sounds of tigers roaring and dogs barking and the deer did not respond to the barking of the dogs, but hearing the tiger roar caused the deer to spend more time being cautious after hearing the sound. Which shows that the deer still retained memories of their previous predator, the tiger.[21]


Though New Zealand lacked its own native population of deer, European settlers had introduced a numerous number of species of deer into the land for the use of farming and hunting. Some of these deer species had cross bred in the wild, creating hybrids which in turn were then being utilized in deer farms based on their apparent genetic improvements. Alongside this discovery, deer farms began the practice of inciting hybridization in order to encourage genetic advancement. This includes a hybrid between the Père David's deer and Red deer. These F1 hybrids are unique for several reasons. To begin with, both male and female offspring's of this hybrid remain fertile, a rare prospect especially for species that have such a genetic distance. Both species differ in seasonal behaviors, gestation length, behavioral traits, morphology , maturity size, and disease resistance. The Père David's deer is also unique in that its antlers are unlike any other deer in the world.[22] However, due to having different seasonal behavior each species would enter their mating season at different intervals, thus preventing natural mating from occurring. In response, artificial insemination was employed on Red deer hinds with the semen from Père David's deer. These F1 hybrids did not share similar mating seasons with the Père David's deer and as such were able to successfully mate with other red deer naturally. Three F1 hybrid stags successfully mated naturally in a period from 1989 to 1991 with 144 hinds and semen had been used to artificially inseminate 114 other Red deer hinds producing over 300 backcross hybrids.[23]

Legend and cultural significance[edit]

Illustration of Père David's deer from Nouvelles Archives du Muséum d'histoire Naturelle, 1866

According to Chinese legend, when the tyrant King Zhou of Shang ruled the land more than 4,000 years ago, a horse, a donkey, an ox and a deer went into a cave deep in the forest to meditate and on the day the King executed his virtuous minister Bigan, the animals awoke from their meditation and turned into humans.[20] They entered society, learned of the King's heinous acts and wanted to take recourse against the King, who was powerful.[20] So they transformed themselves into one creature that combined the speed of the horse, the strength of the ox, the donkey's keen sense of direction and the nimble agility of the deer.[20] This new animal then galloped to the Kunlun Mountains to seek the advice of the Primeval Lord of Heaven. The Lord was astonished at the sight of a creature that had antlers of a deer, hooves of an ox, face of a horse and tail of a donkey. "It's unlike any of four creatures!" he exclaimed. Upon learning of the animal's quest, Lord gave his blessing and dispatched the creature to his disciple the sage Jiang Ziya, who was battling the King.[20] Jiang Ziya rode the creature to victory over the King and helped found the Zhou Dynasty. After fulfilling its vow, the milu settled in the lower reaches of the Yangtze River.[20] The animal became a symbol of good fortune and was sought by later emperors who believed eating the meat of the milu would lead to everlasting life.[20]

See also[edit]


  1. ^ a b c d e f g h Zhigang, J; Harris, RB (2008). Elaphurus davidianus. In: IUCN 2008. IUCN Red List of Threatened Species. Retrieved 2012-05-20.
  2. ^ Pitra, C.; Fickel, J.; Meijaard, E.; Groves, C. (1 December 2004). "Evolution and phylogeny of old world deer" (PDF). Molecular Phylogenetics and Evolution 33 (3): 880–895. doi:10.1016/j.ympev.2004.07.013. PMID 15522810. Retrieved 18 April 2013. 
  3. ^ Geist, V. (1998). Deer of the World: their Evolution, Behaviour and Ecology (1st ed.). Mechanicsburg, PA: Stackpole Books. p. 81. ISBN 0811704963. 
  4. ^ Hofmann, R. R. 2007. The Milu (Elaphurus davidianus), a recently evolved Chinese ruminant species with a unique morphology pointing a specific ecological adaptation. In: J. Xia (ed.), The International Symposium on the 20th Anniversary of Milu Returning Home, pp. 119-122. Beijing Press, Beijing, China.
  5. ^ Zhou, K. 2007. Chinese Milu’s prosperity, decline and protection. In: J. Xia (ed.), The International Symposium on the 20th Anniversary of Milu Returning Home, pp. 15-19. Beijing Press, Beijing, China.
  6. ^ "China To Return More David's Deer To the Wild". People's Daily Online. January 13, 2000. Retrieved 2012-05-21. 
  7. ^ Burnie, D. and Wilson, DE (Eds.), Animal: The Definitive Visual Guide to the World's Wildlife. DK Adult (2005), ISBN 0789477645
  8. ^ a b c d "Père David's Deer (Elaphurus davidianus)". Deer. Gland, Switzerland: World Association of Zoos and Aquariums. 2012. Retrieved 2012-05-20. 
  9. ^ Li, Chungwang (June 12, 2001). "Seasonal Changes of Reproductive Behavior and Fecal Steroid Concentrations in Pe` re David’s Deer". Hormones and Behavior 40: 518–525. 
  10. ^ Li, Chunwang, et al. "Influence of enclosure size and animal density on fecal cortisol concentration and aggression in Pere David’s deer stags." General and Comparative Endocrinology 151.2 (2007): 202-209.
  11. ^ Zheng, Wei, et al. "Determinants of vigilance in a reintroduced population of Pere David’s deer." Curr Zool 59 (2013): 265-270.
  12. ^ Li, Chunwang; Yang, Xiaobo; Ding, Yuhua; Zhang, Linyuan; Fang, Hongxia; Tang, Songhua; Jiang, Zhigang; Hayward, Matt (August 24, 2011). "Do Père David's Deer Lose Memories of Their Ancestral Predators?". PLoS ONE 6 (8): e23623. doi:10.1371/journal.pone.0023623. 
  13. ^ (Chinese) 王蕾, 麋鹿与狩猎 2007-12-17
  14. ^ Twigger, R (2003). "Milu". The Extinction Club. New York: HarperCollins Publishers. pp. 56–61. ISBN 0060535962. 
  15. ^ Goodall, J; Maynard, T; Hudson, G (2009). "Milu or Père David's Deer, China". Hope for Animals and their World: How Endangered Species are being Rescued from the Brink. New York: Grand Central Publishing. pp. 39–46. ISBN 978-0446581776. 
  16. ^ "Père David’s deer". britannica. 2012. Retrieved 2012-11-20. 
  17. ^ a b http://english.cri.cn/6566/2015/07/17/2821s887778.htm
  18. ^ The IUCN Red List of Threatened Species
  19. ^ Yang, R., Zhang, L., Tan, B. and Zhong, Z. 2003. Investigation on the status of Père David’s deer in China. Chinese Journal of Zoology 38: 76~81.
  20. ^ a b c d e f g (Chinese)麋鹿文化--麋鹿的传说 2012-04-11
  21. ^ Li, Chunwang; Yang, Xiaobo; Ding, Yuhua; Zhang, Linyuan; Fang, Hongxia; Tang, Songhua; Jiang, Zhigang (2011-08-24). "Do Père David's Deer Lose Memories of Their Ancestral Predators?". PLoS ONE 6 (8): e23623. doi:10.1371/journal.pone.0023623. PMC 3160898. PMID 21887286. 
  22. ^ Tate, M. L., et al. "A new gene mapping resource: interspecies hybrids between Père David's deer (Elaphurus davidianus) and red deer (Cervus elaphus)." Genetics 139.3 (1995): 1383-1391.
  23. ^ Tate, M. L., et al. "Genetic analysis of Père David's× red deer interspecies hybrids." Journal of Heredity 88.5 (1997): 361-365.

Further reading[edit]

External links[edit]