Where is Asiatic wild ass found ?

1. Biogeographic Zones of India (basic)

To understand why a tiger lives in the humid forests of Bengal while a Wild Ass thrives in the salt marshes of Gujarat, we must first look at Biogeography. This field of study examines the geographical distribution of plants and animals across the planet. In the Indian context, the country is divided into 10 distinct Biogeographic Zones. This classification isn't just about drawing lines on a map; it represents units of large-scale ecosystems that share similar climatic conditions, soil types, and evolutionary histories Environment, Shankar IAS Academy, Indian Biodiversity Diverse Landscape, p.152.

These zones are the foundation upon which India plans its Protected Area Network, such as Wildlife Sanctuaries and National Parks. For a more granular understanding, these 10 zones are further subdivided into 25 Biogeographic Provinces. For instance, the 'Indian Desert' zone is divided into the Thar and Kutch provinces Environment, Shankar IAS Academy, Indian Biodiversity Diverse Landscape, p.153. Understanding these zones helps conservationists ensure that every type of Indian ecosystem—from the high-altitude cold deserts of the North to the tropical islands of the South—is represented in our national conservation strategy.

The 10 Biogeographic Zones of India are summarized below:

S.No.	Biogeographic Zone	Key Characteristics
1	Trans-Himalaya	High-altitude cold deserts (Ladakh, Lahaul-Spiti); ~5.7% of landmass.
2	Himalaya	The entire mountain chain; rich in altitudinal zonation; ~7.2% of landmass.
3	Indian Desert	Extremely arid regions including the Thar and the Rann of Kutch.
4	Semi-Arid	Transition zone between desert and the more humid peninsular regions.
5	Western Ghats	Hill ranges along the west coast; one of the world's biodiversity hotspots.
6	Deccan Peninsula	India's largest zone; a massive plateau with deciduous forests.
7	Gangetic Plain	Highly fertile alluvial plains; supports high density of wildlife and humans.
8	Coasts	Sandy beaches, mangroves, and coral reefs along the vast Indian coastline.
9	North-East India	A meeting point of several species; high rainfall and dense forests.
10	Islands	Andaman, Nicobar, and Lakshadweep; unique endemic species Environment and Ecology, Majid Hussain, Biodiversity, p.20.

Sources: Environment, Shankar IAS Academy, Indian Biodiversity Diverse Landscape, p.152-153; Environment and Ecology, Majid Hussain, Biodiversity, p.20

2. Protected Area Network: NP vs WLS (basic)

To understand India's conservation strategy, we must first look at the Wildlife (Protection) Act (WPA), 1972. This landmark legislation provides the legal framework for creating two primary types of protected areas: National Parks (NP) and Wildlife Sanctuaries (WLS) Environment, Shankar IAS Academy, Protected Area Network, p.211. While both aim to conserve biodiversity, they differ significantly in their 'tightness' of protection and their core objectives.

The most fundamental difference lies in the degree of human interference allowed. In a Wildlife Sanctuary, certain human activities such as the grazing of livestock or the collection of minor forest produce can be permitted by the competent authority Environment and Ecology, Majid Hussain, BIODIVERSITY, p.32. However, in a National Park, the rules are much stricter: activities like grazing are strictly prohibited to ensure that the ecosystem remains as pristine as possible Environment, Shankar IAS Academy, Protected Area Network, p.213.

Another key distinction is their focus. A Wildlife Sanctuary is often established to protect a particular species — for instance, a sanctuary might be created specifically for the Grizzled Giant Squirrel or the Great Indian Bustard Environment, Shankar IAS Academy, Protected Area Network, p.213. A National Park, on the other hand, is usually ecosystem-oriented. It is designed to protect the entire habitat, including various species of flora, fauna, and even geological formations, rather than focusing on just one 'celebrity' animal Environment and Ecology, Majid Hussain, BIODIVERSITY, p.32.

Feature	Wildlife Sanctuary (WLS)	National Park (NP)
Human Activity	Limited (e.g., grazing) may be allowed with permission.	Strictly prohibited; no grazing allowed.
Focus	Often focused on a specific species.	Focused on the entire ecosystem.
Degree of Protection	High, but relatively flexible.	Highest level of protection.

Sources: Environment, Shankar IAS Academy, Protected Area Network, p.211, 213; Environment and Ecology, Majid Hussain, BIODIVERSITY, p.32

3. IUCN Red List and Conservation Status (intermediate)

To understand how we protect wildlife, we must first understand how we measure the danger they face. The International Union for Conservation of Nature (IUCN), headquartered in Morges, Switzerland, maintains the world's most comprehensive inventory of the global conservation status of biological species: the IUCN Red List. First issued in 1966, the "Red Data Book" serves as a critical guide for the preservation and management of species, where the color "red" is symbolic of the danger these plants and animals face Environment, Shankar IAS Academy, Biodiversity, p.147.

The Red List doesn't just guess; it uses a rigorous, science-based set of criteria to evaluate the extinction risk of thousands of species. These species are categorized across a spectrum based on population size, rate of decline, and geographic range. For example, a species is classified as Critically Endangered (CR) if its population has reduced by more than 90% over the last 10 years, or if there are fewer than 50 mature individuals left in the wild Environment and Ecology, Majid Hussain, BIODIVERSITY, p.13. Understanding these labels is vital because they dictate the level of legal protection and funding a habitat—like a National Park or Sanctuary—receives.

Category	Description
Extinct (EX)	No reasonable doubt that the last individual has died.
Critically Endangered (CR)	Facing an extremely high risk of extinction in the wild (e.g., population < 50).
Endangered (EN)	In danger of extinction in the near future Geography Class XI, NCERT, Biodiversity and Conservation, p.117.
Vulnerable (VU)	High risk of endangerment in the wild.
Near Threatened (NT)	Close to qualifying for a threatened category in the near future.

In India, many iconic species are categorized this way to prioritize conservation efforts. For instance, while the One-horned Rhino is famously protected in Kaziranga, and the Indian Wild Ass (locally known as the Khur) is protected in the Rann of Kachchh, their specific Red List status helps international and national bodies monitor if their populations are recovering or sliding further toward extinction Environment and Ecology, Majid Hussain, BIODIVERSITY, p.18.

Sources: Environment, Shankar IAS Academy, Biodiversity, p.147; Environment and Ecology, Majid Hussain, BIODIVERSITY, p.11, 13, 18; Fundamentals of Physical Geography, Geography Class XI (NCERT), Biodiversity and Conservation, p.117

4. Arid and Semi-Arid Ecosystems of India (intermediate)

The Arid and Semi-Arid ecosystems of India are primarily located in the north-western part of the country, covering large tracts of Rajasthan, Gujarat, Punjab, and Haryana. The Thar Desert, the ninth largest subtropical desert in the world, is the heart of this region, characterized by Aeolian (wind-deposited) sand accumulations that have formed over millions of years Geography of India, Majid Husain, Physiography, p.46. The soils here are typically sandy to gravelly, with low organic matter and moisture-retaining capacity, though they can become highly productive when supported by irrigation projects like the Indira Gandhi Canal Geography of India, Majid Husain, Soils, p.11.

Vegetation in these regions is specifically adapted to survive extreme water scarcity. The Semi-arid floral region includes hardy species such as Acacia (Babul), Neem, Khejra (the state tree of Rajasthan), and various thorny bushes and grasses Environment and Ecology, Majid Hussain, BIODIVERSITY, p.23. While much of this natural cover has been cleared for agriculture, these ecosystems still support specialized fauna, including the Great Indian Bustard (a critically endangered bird), Blackbuck, Chinkara, and the Desert Fox Geography of India, Majid Husain, Physiography, p.47.

A unique subset of this ecosystem is the Rann of Kachchh in Gujarat, characterized by vast saline depressions and seasonal salt marshes. This area is globally significant as the exclusive natural habitat of the Indian Wild Ass (Khur). To protect this subspecies, the Indian Wild Ass Sanctuary was established in 1973 in the Little Rann of Kachchh, covering nearly 5,000 sq. km. Conservation efforts here have been remarkably successful, helping the population rebound from a few hundred in the 1960s to over 6,000 today Environment, Shankar IAS Academy, Terrestrial Ecosystems, p.29.

Sources: Geography of India, Majid Husain, Physiography, p.46; Geography of India, Majid Husain, Soils, p.11; Environment and Ecology, Majid Hussain, BIODIVERSITY, p.23; Geography of India, Majid Husain, Physiography, p.47; Environment, Shankar IAS Academy, Terrestrial Ecosystems, p.29

5. Flagship Species and their Iconic Habitats (exam-level)

In conservation biology, a Flagship Species acts as an ambassador or icon for a specific habitat. By protecting these high-profile animals, we inherently safeguard the entire ecosystem they inhabit—a strategy often used by the Indian government when designating Wildlife Sanctuaries and National Parks. Often, these species have become specialized to survive in extreme or unique niches, making them endemic to very specific geographical pockets.

A prime example is the Indian Wild Ass (Equus hemionus khur), locally known as the Khur. This hardy animal is the only survivor of its kind in India and is found exclusively in the Rann of Kachchh, Gujarat. Its habitat consists of saline depressions (Rann), arid grasslands, and shrublands. Unlike most equines, it thrives in the harsh, salt-encrusted landscape where it feeds on stunted vegetation. The Indian Wild Ass Sanctuary, established in 1973 in the Little Rann, is the largest in India, covering nearly 5,000 sq. km to protect this near-threatened species Environment and Ecology, Majid Hussain, BIODIVERSITY, p.18.

While the Wild Ass represents the arid west, the Great One-Horned Rhinoceros (Rhinoceros unicornis) serves as the flagship for the wet alluvial grasslands of the Northeast. While they were once widespread, their concentration is now largely restricted to Kaziranga National Park, Manas, and Pabitora in Assam Environment and Ecology, Majid Hussain, BIODIVERSITY, p.47. This concentration in a single area like Kaziranga makes the species vulnerable to localized threats like floods or epidemics, leading to conservation strategies like the Indian Rhino Vision (IRV) 2020, which focuses on translocating rhinos to other potential habitats like Dibru-Saikhowa Environment, Shankar IAS Academy, Conservation Efforts, p.239.

Flagship Species	Iconic Habitat / Sanctuary	Key Characteristic
Indian Wild Ass	Rann of Kachchh (Gujarat)	Endemic to saline deserts/arid plains.
Snow Leopard	Hemis National Park (Ladakh)	High-altitude alpine specialist.
Sangai (Brow-antlered deer)	Keibul Lamjao (Manipur)	Only found on the Phumdis (floating mats).
Lion-Tailed Macaque	Silent Valley (Kerala)	Rainforest specialist of the Western Ghats.

Sources: Environment and Ecology, Majid Hussain (Access publishing 3rd ed.), BIODIVERSITY, p.18; Environment and Ecology, Majid Hussain (Access publishing 3rd ed.), BIODIVERSITY, p.47; Environment, Shankar IAS Academy (10th ed.), Conservation Efforts, p.239

6. The Rann of Kachchh: A Unique Bio-province (exam-level)

The Rann of Kachchh is not merely a vast expanse of salt; it is a complex geomorphological marvel. Historically, this region was a fertile deltaic zone. Geomorphologists attribute its current state to significant tectonic events, such as the rise of the Delhi-Hardwar Ridge and the uplift of the Aravallis, which diverted ancient river systems like the Saraswati and the Paleo-Yamuna Geography of India, The Drainage System of India, p.27. Today, it exists as a unique landscape of naked tidal mudflats and salt crusts, shaped by Holocene marine regression (the retreating of the sea) Geography of India, Physiography, p.64.

Biologically, this region is classified as a unique bio-province because it hosts the world's last remaining population of the Indian Wild Ass (Equus hemionus khur), or 'Khur'. These resilient animals are perfectly adapted to the saline depressions and arid grasslands of the Little Rann of Kachchh. To protect this near-threatened species, the Indian Wild Ass Sanctuary was established in 1973, covering over 4,900 sq. km Environment and Ecology, BIODIVERSITY, p.41. Unlike other sanctuaries that focus on mega-herbivores like rhinos or elephants, this sanctuary preserves a specific desert-marshland ecosystem.

The Rann is divided into the Great Rann and the Little Rann, characterized by "bets"—isolated rocky elevations that stay above water during the monsoon, serving as vital refuges for wildlife. During the rains, the Rann transforms into a seasonal wetland, attracting thousands of migratory birds, including the Greater Flamingo, which uses the area as a massive breeding ground. The following table highlights the unique status of the Rann:

Feature	Description
Geomorphic Status	A marsh rather than a land-locked sea, consisting of salt flats and brackish ponds Geography of India, India–Political Aspects, p.36.
Key Species	Exclusive habitat of the Indian Wild Ass (Khur); also home to Chinkara, Desert Fox, and Nilgai.
Conservation Success	Population of Khur increased from a few hundred in the 1960s to over 6,000 today.

Sources: Geography of India, The Drainage System of India, p.27; Geography of India, India–Political Aspects, p.36; Geography of India, Physiography, p.64; Environment and Ecology, BIODIVERSITY, p.41

7. The Indian Wild Ass (Khur) (exam-level)

The Indian Wild Ass, known locally as the Khur (Equus hemionus khur), is one of the hardiest and fastest Indian animals. It is a subspecies of the Asiatic Wild Ass and is an evolutionary cousin to horses and zebras History, class XI (Tamilnadu state board 2024 ed.), Early India: From the Beginnings to the Indus Civilisation, p.3. What makes the Khur unique is its extremely restricted distribution; it is endemic to the Rann of Kachchh in Gujarat, meaning this is the only place on Earth where you can find them in the wild. They thrive in a harsh landscape consisting of saline mudflats (Ranns), desert grasslands, and shrublands Environment, Shankar IAS Acedemy (ed 10th), Terrestrial Ecosystems, p.29.

The survival of the Khur is closely tied to the unique geography of the Little Rann of Kachchh. During the monsoon, the Rann gets flooded with seawater and freshwater, turning the elevated patches of land, known as 'bets', into islands. These 'bets' serve as the primary feeding grounds for the Wild Ass, providing the necessary vegetation in an otherwise barren landscape. This illustrates how specific physical factors, like salinity and seasonal flooding, dictate animal distribution — while a rhinoceros requires humid, hot regions, the Wild Ass is perfectly adapted to the arid and saline conditions of Western India Environment and Ecology, Majid Hussain (Access publishing 3rd ed.), PLANT AND ANIMAL KINGDOMS, p.10.

From a conservation perspective, the Khur is a significant success story. In the 1960s, the population dwindled to just a few hundred due to disease and habitat loss. However, with the establishment of the Indian Wild Ass Sanctuary in 1973 (one of India's largest protected areas) and strict protection under Schedule I of the Wildlife (Protection) Act, 1972, their numbers have rebounded to over 6,000 individuals today. Despite this recovery, they remain classified as Near Threatened by the IUCN because their entire population is concentrated in a single geographic pocket, making them vulnerable to localized threats like epidemics or major habitat changes.

Sources: History, class XI (Tamilnadu state board 2024 ed.), Early India: From the Beginnings to the Indus Civilisation, p.3; Environment, Shankar IAS Acedemy (ed 10th), Terrestrial Ecosystems, p.29; Environment and Ecology, Majid Hussain (Access publishing 3rd ed.), PLANT AND ANIMAL KINGDOMS, p.10

8. Solving the Original PYQ (exam-level)

You have just explored the diverse biogeographic zones of India, ranging from the humid marshes of the Northeast to the arid landscapes of the West. This question tests your ability to link a specific species to its unique ecological niche. As you learned in CONTEMPORARY INDIA-I, Geography, Class IX, wildlife distribution is strictly dictated by vegetation and climate. The Asiatic wild ass (specifically the Khur subspecies) is uniquely adapted to survive in harsh, saline environments where water is scarce and vegetation is sparse—a description that fits only the Rann of Kachchh in Gujarat.

To arrive at the correct answer, you must apply the process of elimination based on habitat characteristics. While the Indian Wild Ass Sanctuary in the Little Rann is the exclusive natural habitat for this species, UPSC provides distractors from completely different biomes to test your precision. Kaziranga is a flood-plain ecosystem famous for the one-horned rhinoceros; Ranthambore is a dry deciduous forest prime for tigers; and Periyar is a moist evergreen habitat known for elephants. None of these regions provide the saline depressions or arid plains required by the wild ass.

By connecting the concept of endemism—where a species is restricted to a specific geographic area—to the geographic reality of the Thar desert's edge, you can confidently select (A) Rann of Kachchh. As noted in Environment, Shankar IAS Academy, understanding these terrestrial ecosystems is the building block for answering questions on species conservation. This approach ensures you don't just memorize locations but understand the environmental logic behind why an animal lives where it does.