Indian rhinoceros

Short description: Species of rhinoceros

Indian rhinoceros

Temporal range: Early Pleistocene–Recent

PreЄ

An Indian rhinoceros in Kaziranga National Park, Assam, India

Conservation status

Vulnerable (IUCN 3.1)[1]

CITES Appendix I (CITES)[1]

Scientific classification
Domain:  | Eukaryota
Kingdom:  | Animalia
Phylum:  | Chordata
Class:  | Mammalia
Order:  | Perissodactyla
Family:  | Rhinocerotidae
Genus:  | Rhinoceros
Species:  |

R. unicornis

Binomial name
Rhinoceros unicornis

Linnaeus, 1758

Indian rhinoceros historical range

The Indian rhinoceros (Rhinoceros unicornis), or Indian rhino for short, also known as the greater one-horned rhinoceros or great Indian rhinoceros, is a rhinoceros species native to the Indian subcontinent. It is listed as Vulnerable on the IUCN Red List, as populations are fragmented and restricted to less than 20,000 km2 (7,700 sq mi). Moreover, the extent and quality of the rhino's most important habitat, the alluvial Terai-Duar savanna and grasslands and riverine forest, is considered to be in decline due to human and livestock encroachment. As of August 2018, the global population was estimated to comprise 3,588 individuals, including 2,939 individuals in India and 649 in Nepal.[1] Kaziranga National Park alone had an estimated population of 2,048 rhinos in 2009.[2] Pobitora Wildlife Sanctuary in Assam has the highest density of Indian rhinos in the world with 84 individuals in an area of 38.80 km2 (14.98 sq mi) in 2009.[3]

Indian rhinos once ranged throughout the entire stretch of the Indo-Gangetic Plain, but excessive hunting and agricultural development reduced its range drastically to 11 sites in northern India and southern Nepal. In the early 1990s, between 1,870 and 1,895 Indian rhinos were estimated to have been alive.[4] Since then, numbers have increased due to conservation measures taken by the government. However, poaching remains a continuous threat, as more than 150 Indian rhinos were killed in Assam by poachers between 2000 and 2006.[5]

Nearly 85% of the global Indian rhinoceros population is concentrated in Assam, where Kaziranga National Park contains 70% of rhino population.

## Contents

* 1 Etymology
* 2 Taxonomy
* 3 Evolution
* 4 Characteristics
* 5 Distribution and habitat
* 5.1 Populations
* 6 Ecology and behaviour
* 6.1 Diet
* 6.2 Social life
* 6.3 Reproduction
* 7 Threats
* 7.1 Habitat degradation and floods
* 7.2 Lack of site diversity
* 7.3 Poaching
* 8 Conservation
* 8.1 Reintroduction to new areas
* 8.2 In captivity
* 9 Cultural significance
* 9.1 Europe
* 10 See also
* 11 References
* 12 Further reading
* 13 External links

## Etymology

The generic name Rhinoceros is a combination of the ancient Greek words ῥίς (ris) meaning "nose" and κέρας (keras) meaning "horn of an animal".[6][7] The Latin word ūnicornis means "one-horned".[8]

## Taxonomy

Rhinoceros unicornis was the scientific name used by Carl Linnaeus in 1758 who described a rhinoceros with one horn. As type locality, he indicated Africa and India.[9]

The Indian rhinoceros is monotypic. Several specimens were described since the end of the 18th century under different scientific names, which are all considered synonyms of Rhinoceros unicornis today:[10]

* R. indicus by Cuvier, 1817
* R. asiaticus by Blumenbach, 1830
* R. stenocephalus by Gray, 1867
* R. jamrachi by Sclater, 1876
* R. bengalensis by Kourist, 1970[11]

## Evolution

Ancestral rhinoceroses first diverged from other perissodactyls in the Early Eocene. Mitochondrial DNA comparison suggests the ancestors of modern rhinos split from the ancestors of Equidae around 50 million years ago.[12] The extant family, the Rhinocerotidae, first appeared in the Late Eocene in Eurasia, and the ancestors of the extant rhino species dispersed from Asia beginning in the Miocene.[13]

Fossils of R. unicornis appear in the Middle Pleistocene. In the Pleistocene, the genus Rhinoceros ranged throughout South and Southeast Asia, with specimens located on Sri Lanka. Into the Holocene, some rhinoceros lived as far west as Gujarat and Pakistan until as recently as 3,200 years ago.[14]

The Indian and Javan rhinoceroses, the only members of the genus Rhinoceros, first appear in the fossil record in Asia during the Early Pleistocene. The Indian rhinoceros is known from Early Pleistocene localities in Java, South China, India and Pakistan.[15] Molecular estimates suggest the species may have diverged much earlier, around 11.7 million years ago.[12][16] Although belonging to the type genus, the Indian and Javan rhinoceroses are not believed to be closely related to other rhino species. Different studies have hypothesised that they may be closely related to the extinct Gaindatherium or Punjabitherium. A detailed cladistic analysis of the Rhinocerotidae placed Rhinoceros and the extinct Punjabitherium in a clade with Dicerorhinus, the Sumatran rhinoceros. Other studies have suggested the Sumatran rhinoceros is more closely related to the two African species.[17] The Sumatran rhino may have diverged from the other Asian rhinos as long as 15 million years ago.[13][18]

## Characteristics

Wart-like bumps on the hind legs

The Indian rhinoceros's single horn

The skull of an Indian rhinoceros

Indian rhinos have a thick grey-brown skin with pinkish skin folds and one horn on their snout. Their upper legs and shoulders are covered in wart-like bumps. They have very little body hair, aside from eyelashes, ear fringes and tail brush. Bulls have huge neck folds. The skull is heavy with a basal length above 60 cm (24 in) and an occiput above 19 cm (7.5 in). The nasal horn is slightly back-curved with a base of about 18.5 cm (7.3 in) by 12 cm (4.7 in) that rapidly narrows until a smooth, even stem part begins about 55 mm (2.2 in) above base. In captive animals, the horn is frequently worn down to a thick knob.[14]

The Indian rhino's single horn is present in both bulls and cows, but not on newborn calves. The horn is pure keratin, like human fingernails, and starts to show after about six years. In most adults, the horn reaches a length of about 25 cm (9.8 in), but has been recorded up to 57.2 cm (22.5 in) in length and 3.051 kg (6.73 lb) in weight.[18][14]

Among terrestrial land mammals native to Asia, Indian rhinos are second in size only to the Asian elephant.[19] They are also the second-largest living rhinoceros, behind only the white rhinoceros. Bulls have a head and body length of 368–380 cm (12.07–12.47 ft) with a shoulder height of 163–193 cm (5.35–6.33 ft), while cows have a head and body length of 310–340 cm (10.2–11.2 ft) and a shoulder height of 147–173 cm (4.82–5.68 ft).[20][14] The bull, averaging about 2,070–2,200 kg (4,560–4,850 lb) is heavier than the cow, at an average of about 1,599–1,608 kg (3,525–3,545 lb).[20]

The rich presence of blood vessels underneath the tissues in folds gives them the pinkish colour. The folds in the skin increase the surface area and help in regulating the body temperature.[21] The thick skin does not protect against bloodsucking Tabanus flies, leeches and ticks.[14]

The largest individuals reportedly weighed up to 4,000 kg (8,800 lb).[22]

## Distribution and habitat

Indian rhinoceros in Chitwan National Park, Nepal

Indian rhinos once ranged across the entire northern part of the Indian subcontinent, along the Indus, Ganges and Brahmaputra River basins, from Pakistan to the Indian-Myanmar border, including Bangladesh and the southern parts of Nepal and Bhutan. They may have also occurred in Myanmar, southern China and Indochina. They inhabit the alluvial grasslands of the Terai and the Brahmaputra basin.[4] As a result of habitat destruction and climatic changes its range has gradually been reduced so that by the 19th century, it only survived in the Terai grasslands of southern Nepal, northern Uttar Pradesh, northern Bihar, northern West Bengal, and in the Brahmaputra Valley of Assam.[23]

The species was present in northern Bihar and Oudh at least until 1770 as indicated in maps produced by Colonel Gentil.[24] On the former abundance of the species, Thomas C. Jerdon wrote in 1867:[25]

> This huge rhinoceros is found in the Terai at the foot of the Himalayas, from Bhutan to Nepal. It is more common in the eastern portion of the Terai than the west, and is most abundant in Assam and the Bhutan Dooars. I have heard from sportsmen of its occurrence as far west as Rohilcund, but it is certainly rare there now, and indeed along the greater part of the Nepal Terai; ... Jelpigoree, a small military station near the Teesta River, was a favourite locality whence to hunt the Rhinoceros and it was from that station Captain Fortescue ... got his skulls, which were ... the first that Mr. Blyth had seen of this species, ...

Today, its range has further shrunk to a few pockets in southern Nepal, northern West Bengal, and the Brahmaputra Valley. Its habitat is surrounded by human-dominated landscapes, so that in many areas, it occurs in cultivated areas, pastures, and secondary forests. In the 1980s, Indian rhinos were frequently seen in the narrow plain area of Manas River and Royal Manas National Park in Bhutan.[23]

### Populations

Population trend since 1910

In 2022, the total Indian rhinoceros population was estimated to 4014, up from 2,577 in 2006. Among them 3262 are in India and the remaining 752 are in Nepal and Bhutan. There is not permanent rhino population in Bhutan, but small rhino populations are occasionally known to cross from the Manas National Park or Buxa Tiger Reserve in India.[26] The distribution of rhino in India is as follows:[27][28]

* 2,885 individuals in Assam, including 2,613 in Kaziranga National Park, 125 in Orang National Park, 107 in Pobitora Wildlife Sanctuary and 40 in Manas National Park.
* 339 individuals in West Bengal, including 287 in Jaldapara National Park and 52 in Gorumara National Park
* 38 individuals in Uttar Pradesh, including 38 in Dudhwa National Park

By 2014, the population in Assam increased to 2,544 Indian rhinos, an increase of 27% since 2006, although more than 150 individuals were killed by poachers during these years.[5] The population in Kaziranga National Park was estimated at 2,048 individuals in 2009.[2] By 2009, the population in Pobitora Wildlife Sanctuary had increased to 84 individuals in an area of 38.80 km2 (14.98 sq mi).[3]

In 2015, Nepal had 645 Indian rhinos living in Parsa National Park, Chitwan National Park, Bardia National Park, Shuklaphanta Wildlife Reserve and respective buffer zones in the Terai Arc Landscape as recorded in a survey conducted from 11 April to 2 May 2015. The survey showed that the population of rhinos in Nepal from 2011 to 2015 increased 21% or 111 individuals.[29]

The Indian rhino population, which once numbered as low as 100 individuals in the early 1900s, has increased to more than 3,700 in year 2021 as per The International Rhino Foundation (IRF) signature 2021 report, State of the Rhino.[30]

## Ecology and behaviour

Indian rhinoceros at Kaziranga National Park

Indian rhinoceros in Manas National Park

Bulls are usually solitary. Groups consist of cows with calves, or of up to six subadults. Such groups congregate at wallows and grazing areas. They are foremost active in early mornings, late afternoons and at night, but rest during hot days.[14]

They bathe regularly. The folds in their skin trap water and hold it even when they exit wallows.[21]

They are excellent swimmers and can run at speeds of up to 55 km/h (34 mph) for short periods. They have excellent senses of hearing and smell, but relatively poor eyesight. Over 10 distinct vocalisations have been recorded. Males have home ranges of around 2 to 8 km2 (0.77 to 3.09 sq mi) that overlap each other. Dominant males tolerate other males passing through their territories except when they are in mating season, when dangerous fights break out.[31] Indian rhinos have few natural enemies, except for tigers, which sometimes kill unguarded calves, but adult rhinos are less vulnerable due to their size. Mynahs and egrets both eat invertebrates from the rhino's skin and around its feet. Tabanus flies, a type of horse-fly, are known to bite rhinos. The rhinos are also vulnerable to diseases spread by parasites such as leeches, ticks, and nematodes like Bivitellobilharzia nairi. Anthrax and the blood-disease sepsis are known to occur.[14] In March 2017, a group of four tigers consisting of an adult male, tigress and two cubs killed a 20-year-old male Indian rhinoceros in Dudhwa Tiger Reserve.[32]

### Diet

Indian rhinos are grazers. Their diet consists almost entirely of grasses (such as Arundo donax, Bambusa tulda, Cynodon dactylon, and Oryza sativa), but they also eat leaves, twigs and branches of shrubs and trees (such as Lagerstroemia indica), flowers, fruits (such as Ficus religiosa), and submerged and floating aquatic plants.[33] They feed in the mornings and evenings. They use their semi-prehensile lips to grasp grass stems, bend the stem down, bite off the top, and then eat the grass. They tackle very tall grasses or saplings by walking over the plant, with legs on both sides and using the weight of their bodies to push the end of the plant down to the level of the mouth. Mothers also use this technique to make food edible for their calves. They drink for a minute or two at a time, often imbibing water filled with rhinoceros urine.[14]

### Social life

Indian rhinoceros showing its sharp lower incisor teeth used for fighting

Indian rhinos form a variety of social groupings. Bulls are generally solitary, except for mating and fighting. Cows are largely solitary when they are without calves. Mothers will stay close to their calves for up to four years after their birth, sometimes allowing an older calf to continue to accompany her once a newborn calf arrives. Subadult bulls and cows form consistent groupings, as well. Groups of two or three young bulls often form on the edge of the home ranges of dominant bulls, presumably for protection in numbers. Young cows are slightly less social than the bulls. Indian rhinos also form short-term groupings, particularly at forest wallows during the monsoon season and in grasslands during March and April. Groups of up to 10 rhinos, typically a dominant male with females and calves, gather in wallows.[18]

Indian rhinos make a wide variety of vocalisations. At least 10 distinct vocalisations have been identified: snorting, honking, bleating, roaring, squeak-panting, moo-grunting, shrieking, groaning, rumbling and humphing. In addition to noises, the Indian rhino uses olfactory communication. Adult bulls urinate backwards, as far as 3–4 m (9.8–13.1 ft) behind them, often in response to being disturbed by observers. Like all rhinos, the Indian rhinoceros often defecates near other large dung piles. The Indian rhino has pedal scent glands which are used to mark their presence at these rhino latrines. Bulls have been observed walking with their heads to the ground as if sniffing, presumably following the scent of cows.[18]

In aggregations, Indian rhinos are often friendly. They will often greet each other by waving or bobbing their heads, mounting flanks, nuzzling noses, or licking. Indian rhinos will playfully spar, run around, and play with twigs in their mouths. Adult bulls are the primary instigators in fights. Fights between dominant bulls are the most common cause of rhino mortality, and bulls are also very aggressive toward cows during courtship. Bulls chase cows over long distances and even attack them face-to-face. Indian rhinos use their horns for fighting, albeit less frequently than African rhinos that largely use the incisors of the lower jaw to inflict wounds.[18]

### Reproduction

Cow with calf

Captive bulls breed at five years of age, but wild bulls attain dominance much later when they are larger. In one five-year field study, only one Indian rhino estimated to be younger than 15 years mated successfully. Captive cows breed as young as four years of age, but in the wild, they usually start breeding only when six years old, which likely indicates they need to be large enough to avoid being killed by aggressive bulls. Their gestation period is around 15.7 months, and birth interval ranges from 34 to 51 months.[18]

In captivity, four Indian rhinos are known to have lived over 40 years, the oldest living to be 47.[14]

## Threats

Mughal emperor Babur on a rhino hunt, 16th century.

### Habitat degradation and floods

Habitat degradation caused by human activities and climate change as well as the resulting increase in the floods has caused large death of Indian rhinos and has limited their ranging areas which is shrinking.

Serious declines in quality of habitat have occurred in some areas, due to:

* severe invasion by alien plants into grasslands affecting some populations;
* demonstrated reductions in the extent of grasslands and wetland habitats due to woodland encroachment and silting up of beels (swampy wetlands);
* grazing by domestic livestock.[1]

### Lack of site diversity

The Indian rhino species is inherently at risk because over 70% of its population occurs at a single site, Kaziranga National Park. Any catastrophic event such as disease, civil disorder, poaching, or habitat loss would have a devastating impact on the Indian rhino's status. However, small population of rhinos may be prone to inbreeding depression.[1] Expansion of other protective areas and introduction of rhinos in more areas is needed.

### Poaching

Taxidermied specimens, American Museum of Natural History

Sport hunting became common in the late 19th and early 20th centuries and was the main cause for the decline of Indian rhinoceros populations. Indian rhinos were hunted relentlessly and persistently. Reports from the mid-19th century claim that some British military officers shot more than 200 rhinos in Assam alone. By 1908, the population in Kaziranga National Park had decreased to around 12 individuals.[14] In the early 1900s, the Indian rhinoceros was almost extinct. At present, poaching for the use of horn in traditional Chinese Medicine is one of the main threats that has led to decreases in several important populations.[1] Poaching for the Indian rhino's horn became the single most important reason for the decline of the Indian rhinoceros after conservation measures were put in place from the beginning of the 20th century, when legal hunting ended. From 1980 to 1993, 692 rhinos were poached in India, including 41 rhinos in India's Laokhowa Wildlife Sanctuary in 1983, almost the entire population of the sanctuary.[34] By the mid-1990s, the Indian rhinoceros had been extirpated in this sanctuary.[4] Between 2000 and 2006, more than 150 rhinos were poached in Assam.[5] Almost 100 rhinos were poached in India between 2013 and 2018.[35]

George V and Chandra Shumsher JBR with a slain rhino during a hunt (December 1911)

In 1950, in Nepal the Chitwan's forest and grasslands extended over more than 2,600 km2 (1,000 sq mi) and were home to about 800 rhinos. When poor farmers from the mid-hills moved to the Chitwan Valley in search of arable land, the area was subsequently opened for settlement, and poaching of wildlife became rampant. The Chitwan population has repeatedly been jeopardised by poaching; in 2002 alone, poachers killed 37 animals to saw off and sell their valuable horns.[36]

Six methods of killing Indian rhinos have been recorded:[34]

* Shooting is by far the most common method used; rhino horn traders hire sharpshooters and often supply them with rifles and ammunition.
* Trapping in a pit depends largely on the terrain and availability of grass to cover it; pits are dug out in such a way that a fallen animal has little room to manoeuvre with its head slightly above the pit, so that it is easy to saw off the horn.
* Electrocution is used where high voltage powerlines pass through or near a protected area, to which poachers hook a long, insulated rod connected to a wire, which is suspended above a rhino path.
* Poisoning by smearing zinc phosphide rat poison or pesticides on salt licks frequented by rhinos is sometimes used.
* Spearing has only been recorded in Chitwan National Park.
* A noose, which cuts through the rhino's skin, kills it by strangulation.

## Conservation

Globally, Rhinoceros unicornis has been listed in CITES Appendix I since 1975. The Indian and Nepalese governments have taken major steps towards Indian rhinoceros conservation, especially with the help of the World Wide Fund for Nature (WWF) and other non-governmental organisations.[1] In 1910, all rhino hunting in India became prohibited.[14]

In 1957, the country's first conservation law ensured the protection of rhinos and their habitat. In 1959, Edward Pritchard Gee undertook a survey of the Chitwan Valley, and recommended the creation of a protected area north of the Rapti River and of a wildlife sanctuary south of the river for a trial period of 10 years.[37] After his subsequent survey of Chitwan in 1963, he recommended extension of the sanctuary to the south.[38] By the end of the 1960s, only 95 rhinos remained in the Chitwan Valley. The dramatic decline of the rhino population and the extent of poaching prompted the government to institute the Gaida Gasti – a rhino reconnaissance patrol of 130 armed men and a network of guard posts all over Chitwan. To prevent the extinction of rhinos, the Chitwan National Park was gazetted in December 1970, with borders delineated the following year and established in 1973, initially encompassing an area of 544 km2 (210 sq mi). To ensure the survival of rhinos in case of epidemics, animals were translocated annually from Chitwan to Bardia National Park and Shuklaphanta National Park since 1986.[36] The Indian rhinoceros population living in Chitwan and Parsa National Parks was estimated at 608 mature individuals in 2015.[39]

### Reintroduction to new areas

Indian rhinos have been reintroduced to the following new areas where they had previously inhabited but became extinct. These efforts have produced mixed results, mainly Due to lack of proper planning and management, sustained effort, adequate security of the introduced animals.

In 1984, five Indian rhinos were relocated to Dudhwa National Park — four from the fields outside the Pobitora Wildlife Sanctuary and one from Goalpara.[23] This has born results and the population has increased to 21 rhinos by 2006.[27]

In early 1980s, Laokhowa Wildlife Sanctuary in Assam had more than 70 Indian rhinos which were all killed by poachers. In 2016, two Indian rhinos, a mother and her daughter, were reintroduced to the sanctuary from Kaziranga National Park as part of the Indian Rhino Vision 2020 (IRV 2020) program, but both animals died within months due to natural causes.[35]

Indian rhinos were once found as far west as the Peshawar Valley during the reign of Mughal Emperor Babur, but are now extinct in Pakistan. After rhinos became "regionally extinct" in Pakistan,[40] two rhinos from Nepal were introduced in 1983 to Lal Suhanra National Park, which have not bred so far.[1][23]

### In captivity

Indian rhinoceroses enjoy bathing at Zoo Basel

Indian rhinos were initially difficult to breed in captivity. In the second half of the 20th century, zoos became adept at breeding Indian rhinoceros. By 1983, nearly 40 babies had been born in captivity.[14] As of 2012, 33 Indian rhinos were born at Switzerland 's Zoo Basel alone,[41] meaning that most captive animals are related to the Basel population. Due to the success of Zoo Basel's breeding program, the International Studbook for the species has been kept there since 1972. Since 1990, the Indian rhino European Endangered Species Programme is also being coordinated there, with the goal of maintaining genetic diversity in the global captive Indian rhinoceros population.[42]

The first recorded captive birth of an Indian rhinoceros was in Kathmandu in 1826, but another successful birth did not occur for nearly 100 years. In 1925, a rhino was born in Kolkata. No rhinoceros was successfully bred in Europe until 1956 when first European breeding took place when baby rhino Rudra was born in Zoo Basel on 14 September 1956.[14]

In June 2009, an Indian rhino was artificially inseminated using sperm collected four years previously and cryopreserved at the Cincinnati Zoo's CryoBioBank before being thawed and used. She gave birth to a male calf in October 2010.[43]

In June 2014, the first "successful" live-birth from an artificially inseminated rhino took place at the Buffalo Zoo in New York. As in Cincinnati, cryopreserved sperm was used to produce the female calf, Monica.[44]

## Cultural significance

The Indian rhinoceros is one of the motifs on the Pashupati seal and many terracotta figurines that were excavated at archaeological sites of the Indus Valley civilisation.[45] A rhinoceros is the vahana of the Hindu goddess Dhavdi. There is a temple dedicated to Maa (Mother) Dhavdi in Dhrangadhra, Gujarat.[citation needed]

The Rhinoceros Sutra is an early text in the Buddhist tradition, found in the Gandhāran Buddhist texts and the Pali Canon, as well as a version incorporated into the Sanskrit Mahavastu.[46] It praises the solitary lifestyle and stoicism of the Indian rhinoceros and is associated with the eremitic lifestyle symbolized by the Pratyekabuddha.[47]

### Europe

Dürer's Rhinoceros

Painting of Indian Rhinoceros by Thomas Daniell

In the 3rd century, Philip the Arab exhibited an Indian rhinoceros in Rome.[48] In 1515, Manuel I of Portugal obtained an Indian rhinoceros as a gift, which he passed on to Pope Leo X, but which died on the way from Lisbon to Rome. Three artistic representations were prepared of this rhinoceros: A woodcut by Hans Burgkmair, a drawing and a woodcut by Albrecht Dürer, all dated 1515.[48] The Rhinoceros was sent as a present from the King of Portugal, Manuel I, to Pope Leo X in 1515, and this rhino died in a shipwreck off the coast of Italy in early 1516, and it was immortalised as Dürer's Rhinoceros in the woodcut. In 1577–1588, Abada was a female Indian rhinoceros kept by the Portuguese kings Sebastian I and Henry I from 1577 to 1580 and by Philip II of Spain from about 1580 to 1588. She was the first rhinoceros seen in Europe after Dürer's Rhinoceros. In about 1684, the first presumably Indian rhinoceros arrived in England.[48] George Jeffreys, 1st Baron Jeffreys spread the rumour that his chief rival Francis North, 1st Baron Guilford had been seen riding on it.[49]

In 1741–1758, Clara the rhinoceros (c. 1738 – 14 April 1758) was a female Indian rhinoceros who became famous during 17 years of touring Europe in the mid-18th century. She arrived in Europe in Rotterdam in 1741, becoming the fifth living rhinoceros to be seen in Europe in modern times since Dürer's Rhinoceros in 1515. After tours through towns in the Dutch Republic, the Holy Roman Empire, Switzerland , the Polish–Lithuanian Commonwealth, France, the Kingdom of the Two Sicilies, the Papal States, Bohemia and Denmark , she died in Lambeth, England. In 1739, she was drawn and engraved by two English artists. It was then brought to Amsterdam, where Jan Wandelaar made two engravings that were published in 1747. In the subsequent years, the rhinoceros was exhibited in several European cities. In 1748, Johann Elias Ridinger made an etching of it in Augsburg, and Petrus Camper modelled it in clay in Leiden. In 1749, Georges-Louis Leclerc, Comte de Buffon drew it in Paris. In 1751, Pietro Longhi painted it in Venice.[48]

## See also

* Unicorn, mythological character
* The Soul of the Rhino

## References

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Ellis, S.; Talukdar, B. (2019). "Rhinoceros unicornis". IUCN Red List of Threatened Species 2019: e.T19496A18494149. doi:10.2305/IUCN.UK.2019-3.RLTS.T19496A18494149.en. https://www.iucnredlist.org/species/19496/18494149. Retrieved 16 January 2022. }
2. ↑ 2.0 2.1 Medhi, A.; Saha, A. K. (2014). "Land Cover Change and Rhino Habitat Mapping of Kaziranga National Park, Assam". in Singh, M.. Climate Change and Biodiversity. Proceedings of IGU Rohtak Conference. 1, Part II. Springer Japan. pp. 125–138.
3. ↑ 3.0 3.1 Sarma, P. K.; Talukdar, B. K.; Sarma, K.; Barua, M. (2009). "Assessment of habitat change and threats to the greater one-horned rhino (Rhinoceros unicornis) in Pabitora Wildlife Sanctuary, Assam, using multi-temporal satellite data". Pachyderm 46 (July–December): 18–24. http://www.pachydermjournal.org/index.php/pachy/article/viewArticle/135. Retrieved 24 February 2012.
4. ↑ 4.0 4.1 4.2 Foose, T.; van Strien, N. (1997). Asian Rhinos – Status Survey and Conservation Action Plan. Gland, Switzerland, and Cambridge, UK: IUCN. ISBN 2-8317-0336-0. http://www.rhinoresourcecenter.com/ref_files/1175857641.pdf.
5. ↑ 5.0 5.1 5.2 Hance, J. (2014). "Despite poaching, Indian rhino population jumps by 27 percent in eight years". http://news.mongabay.com/2014/06/despite-poaching-indian-rhino-population-jumps-by-27-percent-in-eight-years/.
6. ↑ Liddell, H. G.; Scott, R. (1940). "ῥίς". A Greek-English Lexicon (Revised and augmented ed.). Oxford: Clarendon Press. https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.04.0057:entry=r(i/s.
7. ↑ Liddell, H. G.; Scott, R. (1940). "κέρᾳ". A Greek-English Lexicon (Revised and augmented ed.). Oxford: Clarendon Press. https://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:1999.04.0057:entry=ke/ras.
8. ↑ Partridge, E. (1983). "ūnicornis". Origins: a Short Etymological Dictionary of Modern English. New York: Greenwich House. p. 296. ISBN 0-517-41425-2.
9. ↑ Linnæus, C. (1758). [60,"view":"info"} "Rhinoceros unicornis"]. Caroli Linnæi Systema naturæ per regna tria naturæ, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Holmiae: Salvius. p. 56. https://gdz.sub.uni-goettingen.de/id/PPN362053006?tify={"pages":[60],"view":"info"}.
10. ↑ Srinivasulu, C., Srinivasulu, B. (2012). "Chapter 3: Checklist of South Asian Mammals" in: South Asian Mammals: Their Diversity, Distribution, and Status. Springer, New York, Heidelberg, London.
11. ↑ Grubb, P. (2005). "Order Perissodactyla". in Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 636. ISBN 978-0-8018-8221-0. OCLC 62265494. http://www.departments.bucknell.edu/biology/resources/msw3/browse.asp?id=14100071.
12. ↑ 12.0 12.1 Xu, X.; Janke, A.; Arnason, U. (1996). "The Complete Mitochondrial DNA Sequence of the Greater Indian Rhinoceros, Rhinoceros unicornis, and the Phylogenetic Relationship Among Carnivora, Perissodactyla, and Artiodactyla (+ Cetacea)". Molecular Biology and Evolution 13 (9): 1167–1173. doi:10.1093/oxfordjournals.molbev.a025681. PMID 8896369.
13. ↑ 13.0 13.1 Lacombat, F. (2005). "The evolution of the rhinoceros". in Fulconis, R.. Save the Rhinos: EAZA Rhino Campaign 2005/6. London: European Association of Zoos and Aquaria. pp. 46–49. http://www.rhinoresourcecenter.com/pdf_files/117/1175860259.pdf.
14. ↑ 14.00 14.01 14.02 14.03 14.04 14.05 14.06 14.07 14.08 14.09 14.10 14.11 14.12 Laurie, W. A.; Lang, E. M.; Groves, C. P. (1983). "Rhinoceros unicornis". Mammalian Species (American Society of Mammalogists) (211): 1–6. doi:10.2307/3504002. http://www.science.smith.edu/msi/pdf/i0076-3519-211-01-0001.pdf.
15. ↑ Antoine, P.-O. (2012). "Pleistocene and Holocene rhinocerotids (Mammalia, Perissodactyla) from the Indochinese Peninsula". Comptes Rendus Palevol 11 (2–3): 159–168. doi:10.1016/j.crpv.2011.03.002.
16. ↑ Tougard, C.; Delefosse, T.; Hoenni, C.; Montgelard, C. (2001). "Phylogenetic relationships of the five extant rhinoceros species (Rhinocerotidae, Perissodactyla) based on mitochondrial cytochrome b and 12s rRNA genes". Molecular Phylogenetics and Evolution 19 (1): 34–44. doi:10.1006/mpev.2000.0903. PMID 11286489. http://doc.rero.ch/record/16553/files/PAL_E3210.pdf.
17. ↑ Cerdeño, E. (1995). "Cladistic Analysis of the Family Rhinocerotidae (Perissodactyla)". Novitates (American Museum of Natural History) (3143): 1–25. ISSN 0003-0082. http://digitallibrary.amnh.org/dspace/bitstream/2246/3566/1/N3143.pdf.
18. ↑ 18.0 18.1 18.2 18.3 18.4 18.5 Dinerstein, E. (2003). The Return of the Unicorns: The Natural History and Conservation of the Greater One-Horned Rhinoceros. New York: Columbia University Press. ISBN 0-231-08450-1.
19. ↑ Harris, Tim (16 October 2018) (in en). The Encyclopedia of Animals: More than 1,000 Illustrations and Photographs. Book Sales. pp. 106. ISBN 978-0-7858-3646-9. https://books.google.com/books?id=MKJ-DwAAQBAJ&dq=Second+largest+land+mammal+in+Asia&pg=PA106.
20. ↑ 20.0 20.1 Macdonald, D. (2001). The New Encyclopedia of Mammals. Oxford: Oxford University Press. ISBN 0198508239.
21. ↑ 21.0 21.1 Attenborough, D. (2014). Attenborough's Natural Curiosities 2. Armoured Animals. UKTV.
22. ↑ Boitani, L. (1984). Simon & Schuster's Guide to Mammals. Simon & Schuster, Touchstone Books. ISBN 978-0-671-42805-1. https://archive.org/details/simonschustersgu00boit.
23. ↑ 23.0 23.1 23.2 23.3 Choudhury, A. U. (1985). "Distribution of Indian one-horned rhinoceros". Tiger Paper 12 (2): 25–30. http://www.rhinoresourcecenter.com/index.php?s=1&act=refs&CODE=ref_detail&id=1165235391.
24. ↑ Rookmaaker, K. (2014). "Three rhinos on maps of India drawn in Faizabad in the 18th century". Pachyderm (55): 95–96. http://www.pachydermjournal.org/index.php/pachy/article/viewFile/339/250.
25. ↑ Jerdon, T. C. (1867). The Mammals of India: a Natural History of all the animals known to inhabit Continental India. Roorkee: Thomason College Press. https://archive.org/details/in.ernet.dli.2015.222640.
26. ↑ Karmakar, Rahul (2019-02-28). "Rhinos without borders is conservation credo" (in en-IN). The Hindu. ISSN 0971-751X. https://www.thehindu.com/news/national/other-states/rhinos-without-borders-is-conservation-credo/article26400633.ece.
27. ↑ 27.0 27.1 Syangden, B.; Sectionov; Ellis, S.; Williams, A.C.; Strien, N.J.v.; Talukdar, B.K. (2008). ﻿Report on the regional meeting for India and Nepal IUCN/SSC Asian Rhino Species Group (AsRSG), March 5–7, 2007 Kaziranga National Park, Assam, India﻿ (Report). Kaziranga: Asian Rhino Specialist Group. http://www.rhinoresourcecenter.com/ref_files/1223282785.pdf.
28. ↑ Karmakar,DHNS, Sumir (2022-09-22). "One-horned rhino population crosses 4,000-mark" (in en). https://www.deccanherald.com/india/one-horned-rhino-population-crosses-4000-mark-1147070.html.
29. ↑ "Nepal achieves 21% increase in rhino numbers". World Wildlife Fund. 5 May 2015. https://www.wwfnepal.org/?246012/Nepal-achieves-21-increase-in-rhino-numbers.
30. ↑ "State of the Rhino" (in en-US). 29 September 2020. https://rhinos.org/about-rhinos/state-of-the-rhino/.
31. ↑ Padhi, Surendra nath; Panda, Sasmita; Panigrahi, Gagan Kumar (May 2016) (in en). Wild Animals Of India. Anchor Academic Publishing. ISBN 978-3-96067-014-8. https://books.google.com/books?id=K3MpDAAAQBAJ&dq=Can+the+Indian+rhinoceros+run+at+34+mph&pg=PA38.
32. ↑ Service, Tribune News. "Tigers kill rhino in Dudhwa Tiger Reserve" (in en). https://www.tribuneindia.com/news/archive/nation/tigers-kill-rhino-in-dudhwa-tiger-reserve-372612.
33. ↑ "Rhinoceros unicornis (Indian rhinoceros)". https://animaldiversity.org/accounts/Rhinoceros_unicornis/.
34. ↑ 34.0 34.1 Menon, V. (1996). ﻿Under siege: Poaching and protection of Greater One-horned Rhinoceroses in India﻿ (Report). TRAFFIC India. http://www.traffic.org/species-reports/traffic_species_mammals46.pdf.
35. ↑ 35.0 35.1 "Who killed the wandering rhino in Assam?" (in en-US). 9 September 2019. https://india.mongabay.com/2019/09/who-killed-the-wandering-rhino-in-assam/.
36. ↑ 36.0 36.1 Adhikari, T. R. (2002). "The curse of success". Habitat Himalaya 9 (3): 1–4. http://www.rhinoresourcecenter.com/index.php?s=1&act=pdfviewer&id=1175855985&folder=117.
37. ↑ Gee, E. P. (1959). "Report on a survey of the rhinoceros area of Nepal". Oryx 5 (2): 67–76. doi:10.1017/S0030605300000326.
38. ↑ Gee, E. P. (1963). "Report on a brief survey of the wildlife resources of Nepal, including rhinoceros". Oryx 7 (2–3): 67–76. doi:10.1017/S0030605300002416.
39. ↑ Pant, G.; Maraseni, T.; Apan, A.; Allen, B.L. (2020). "Climate change vulnerability of Asia's most iconic megaherbivore: greater one-horned rhinoceros (Rhinoceros unicornis)". Global Ecology and Conservation 23: e01180. doi:10.1016/j.gecco.2020.e01180.
40. ↑ Sheikh, K. M.; Molur, S. (2004). Status and Red List of Pakistan's Mammals. Based on the Conservation Assessment and Management Plan. IUCN Pakistan. http://www.zooreach.org/downloads/ZOO_CAMP_PHVA_reports/2003_CAMP_Pakistan_Mammals.pdf.
41. ↑ "Es ist ein Junge!" (in de). http://zoobasel.ch/de/aktuell/detail.php?NEWSID=563&apm=1_4&nof.
42. ↑ "Panzernashorngeburt im Zoo Basel". 2010. http://www.zoobasel.ch/aktuell/detail.php?NEWSID=378.
43. ↑ Patton, F. (2011) The Artificial Way. Swara, (April–June 2011): 58–61.
44. ↑ Miller, M. (2014). "Baby Rhinoceros Makes Her Public Debut at Buffalo Zoo". The Buffalo News. http://www.buffalonews.com/city-region/buffalo/baby-rhinoceros-makes-her-public-debut-at-buffalo-zoo-20140707.
45. ↑ Konasukawa, A.; Koiso, M. (2018). "The size of Indus seals and its significance". in D. Frenez. Walking with the Unicorn: Social Organization and Material Culture in Ancient South Asia. Oxford: Archaeopress Publishing Ltd.. pp. 292–317. ISBN 9781784919184. https://books.google.com/books?id=hLETEAAAQBAJ&pg=PA299.
46. ↑ Salomon, R. (1997). "A Preliminary Survey of Some Early Buddhist Manuscripts Recently Acquired by the British Library". Journal of the American Oriental Society 117 (2): 353–358. doi:10.2307/605500.
47. ↑ Von Hinuber, O. (2003). "Review: A Gandhari Version of the Rhinoceros Sutra". Journal of the American Oriental Society 123 (1): 221–224.
48. ↑ 48.0 48.1 48.2 48.3 Rookmaaker, L. C. (1973). "Captive rhinoceroses in Europe from 1500 until 1810". Bijdragen tot de Dierkunde 43 (1): 39–63. doi:10.1163/26660644-04301002. https://brill.com/downloadpdf/journals/btd/43/1/article-p39_2.pdf.
49. ↑ Society for Diffusion of Useful Knowledge (1841). "Rhinoceros". The Penny Cyclopaedia. 19. London: Charles Knight & Co.. pp. 463–475. https://books.google.com/books?id=OQBfAAAAcAAJ&pg=PP471.

## Further reading

Martin, E. B. (2010). From the jungle to Kathmandu : horn and tusk trade. Kathmandu: Wildlife Watch Group. ISBN 978-99946-820-9-6.

## External links

| Wikimedia Commons has media related to Rhinoceros unicornis.

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* "Rhino Resource Center". http://www.rhinoresourcecenter.com.
* "Greater One-Horned Rhino (Rhinoceros unicornis)". https://rhinos.org/.
* "Great Indian rhinoceros (Rhinoceros unicornis)". https://ecos.fws.gov/ecp0/profile/speciesProfile?sId=612.
* Nepal Rhino Conservation
* TheBigZoo.com: Greater Indian Rhinoceros
* Indian Rhino page at AnimalInfo.org
* Indian Rhinoceros page at nature.ca
* Indian Rhinoceros page at UltimateUngulate.com
* "Rhino census in India's Kaziranga park counts 12 more". BBC News. 2018. https://www.bbc.com/news/world-asia-india-43606882.
* "Indian Rhinoceros". http://www.arkive.org/species/GES/mammals/Rhinoceros_unicornis/more_info.html.

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