In which one of the following States is Ranganathittu Bird Sanctuary located ?

1. Introduction to Protected Area Networks (WPA 1972) (basic)

To understand the network of Wildlife Sanctuaries in India, we must first look at the bedrock of Indian conservation: The Wildlife (Protection) Act (WPA) of 1972. Before this act, wildlife was primarily a "State subject," meaning the central government had limited power to create uniform conservation laws across India. The WPA 1972 changed this by providing a standardized legal framework for the protection of wild animals, birds, and plants Environment, Shankar IAS Academy, Protected Area Network, p.211.

The Act doesn't just "ban hunting"; it creates a structured Protected Area Network. This network allows the government to declare specific geographical areas as National Parks or Wildlife Sanctuaries. While both aim to conserve biodiversity, they differ significantly in their degree of restriction and focus. For instance, a Wildlife Sanctuary can be created to protect a particular species (like a specific bird or the Grizzled Giant Squirrel), whereas a National Park is generally designed to protect an entire ecosystem without focusing on just one animal Environment, Shankar IAS Academy, Protected Area Network, p.213.

In terms of human presence, National Parks are like "fortresses" where human activity and livestock grazing are strictly prohibited. In contrast, Wildlife Sanctuaries are slightly more flexible, allowing limited human interaction and regulated grazing if it doesn't harm the wildlife Environment and Ecology, Majid Hussain, BIODIVERSITY, p.32. A famous example of a Sanctuary is Ranganathittu Bird Sanctuary in Karnataka, which was established specifically as a nesting ground for over 200 bird species after the intervention of the legendary ornithologist Salim Ali.

Feature	Wildlife Sanctuary (WLS)	National Park (NP)
Focus	Often species-oriented (e.g., Bird Sanctuaries).	Ecosystem-oriented; covers all flora/fauna.
Human Activity	Regulated activities/grazing may be permitted.	Strictly prohibited; no grazing allowed.
Protection Level	High, but lower than National Parks.	Greater degree of protection.

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

2. Understanding Bird Sanctuaries and IBAs (basic)

Bird Sanctuaries are specialized protected areas designed specifically to conserve avian biodiversity and their unique habitats. While they function similarly to general wildlife sanctuaries, their management focuses on nesting grounds, roosting sites, and feeding corridors. These sites are not just about aesthetics; birds play a fundamental role in our ecosystem as pollinators, seed dispersers, and natural pest controllers for farmers Science, Class VIII, How Nature Works in Harmony, p.201. A classic example of such a sanctuary is Ranganathittu in Karnataka, often called the 'Pakshi Kashi' of the state. Formed by islets on the Kaveri River, it was declared a sanctuary in 1940 after the legendary ornithologist Salim Ali recognized its immense value as a breeding ground Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.429.

India occupies a pivotal position in the global avian landscape because it lies along the Central Asian Flyway (CAF). This is a massive 'aerial highway' extending from the Arctic Ocean to the Indian Ocean, used by over 179 populations of migratory waterbirds Environment, Shankar IAS Academy, International Organisation and Conventions, p.400. During the harsh winter months, birds like the Siberian Crane and Flamingos travel thousands of miles to find refuge in Indian wetlands like the Rann of Kachchh Contemporary India-I, Geography, Class IX, Natural Vegetation and Wildlife, p.46. To protect these travelers, India is a signatory to the Bonn Convention (Convention on Migratory Species or CMS) and has signed the Raptor MoU specifically to conserve migratory birds of prey Environment, Shankar IAS Academy, International Organisation and Conventions, p.400.

Beyond national laws, there is a global scientific framework called Important Bird Areas (IBAs). This initiative is led by BirdLife International (an international NGO). The goal of the IBA program is to identify and protect a global network of sites that are critical for the long-term viability of bird populations. Unlike a 'Sanctuary,' which is a legal term under India's Wildlife Protection Act, an IBA is a scientific designation that helps prioritize conservation efforts. Many of India's IBAs are also designated as Ramsar Sites (Wetlands of International Importance), a status Ranganathittu officially received in 2022 Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.429.

Sources: Science, Class VIII, How Nature Works in Harmony, p.201; Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.429; Environment, Shankar IAS Academy, International Organisation and Conventions, p.400; Contemporary India-I, Geography, Class IX, Natural Vegetation and Wildlife, p.46

3. Wetlands and the Ramsar Convention (intermediate)

Let’s dive into the world of wetlands—often called the 'kidneys of the landscape' because of their incredible ability to filter water and waste. To protect these vital ecosystems, the Ramsar Convention was signed in 1971 in the Iranian city of Ramsar. It is a unique intergovernmental treaty because it is the only global environmental agreement that focuses on a single specific ecosystem Environment, Shankar IAS Academy, International Organisation and Conventions, p.396. Unlike many other environmental frameworks, Ramsar is not part of the United Nations system, though it works in close partnership with UN agencies and organizations like the IUCN and WWF Environment and Ecology, Majid Hussain, BIODIVERSITY, p.49.

The heart of the convention lies in the concept of 'Wise Use'. This doesn't mean leaving wetlands completely untouched; rather, it encourages the sustainable utilization of wetlands for the benefit of humankind in a way that maintains the natural properties of the ecosystem Geography of India, Majid Husain, Natural Vegetation and National Parks, p.53. For a wetland to be designated as a 'Ramsar Site' (a Wetland of International Importance), it must meet specific criteria, such as supporting vulnerable or endangered species or regularly supporting more than 20,000 waterbirds Environment and Ecology, Majid Hussain, BIODIVERSITY, p.49.

A critical sub-feature of the convention is the Montreux Record. Think of this as a 'red alert' list. It is a register of Ramsar sites where changes in ecological character have occurred, are occurring, or are likely to occur because of technological developments, pollution, or other human interference Environment, Shankar IAS Academy, International Organisation and Conventions, p.397. In India, sites like Keoladeo National Park (Rajasthan) and Loktak Lake (Manipur) are currently on this record. Interestingly, Chilika Lake was once on the Montreux Record but was removed in 2005 after successful restoration efforts—a great success story for Indian conservation Environment, Shankar IAS Academy, International Organisation and Conventions, p.397.

To see this in action, look at the Ranganathittu Bird Sanctuary in Karnataka. Known as the 'Pakshi Kashi' of the state, this site consists of six islets on the banks of the Kaveri River. It was established as a sanctuary in 1940 after the legendary ornithologist Salim Ali noted its importance as a prime nesting ground. Recognizing its global ecological value, it was officially designated as a Ramsar site in 2022 Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.429.

Feature	Ramsar Convention Details
Origin	1971 (Ramsar, Iran); India joined in 1982
Core Philosophy	'Wise Use' (Sustainable use)
Montreux Record	Register of threatened/changing wetland sites
Key Criterion	Supports >20,000 waterbirds or threatened species

Sources: Environment, Shankar IAS Academy, International Organisation and Conventions, p.396; Environment and Ecology, Majid Hussain, BIODIVERSITY, p.49; Geography of India, Majid Husain, Natural Vegetation and National Parks, p.53; Environment, Shankar IAS Academy, International Organisation and Conventions, p.397; Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.429

4. The Kaveri River Basin: Ecological Significance (intermediate)

The Kaveri (or Cauvery) River is often called the 'Dakshina Ganga', and for an ecologist, it is one of India's most fascinating systems. While most peninsular rivers are seasonal and depend entirely on a single monsoon, the Kaveri is uniquely perennial. This is because its upper catchment area in the Western Ghats (Karnataka) receives heavy rainfall during the Southwest monsoon (summer), while its lower catchment area in Tamil Nadu receives rainfall from the Northeast monsoon (winter) Geography of India, Majid Husain, p.38. This constant flow sustains a high level of biodiversity across its 800 km journey from the Brahmagiri hills to the Bay of Bengal INDIA PHYSICAL ENVIRONMENT, Geography Class XI, p.24.

At the heart of its ecological significance are the riparian habitats—the 'buffer zones' between the river and the land. These zones act as natural filters, trapping sediments and nutrients before they reach the main channel, which helps maintain water quality Environment, Shankar IAS Academy, p.38. These habitats are particularly rich in Karnataka's Mandya district, where the river splits into several channels. A standout example is the Ranganathittu Bird Sanctuary, famously known as the 'Pakshi Kashi' of Karnataka. This sanctuary is composed of six islets that were formed after a king-made embankment in 1648 changed the river's course Environment, Shankar IAS Academy, p.429.

Today, these islets serve as a critical nesting ground for over 200 bird species. The sanctuary's global importance was cemented when it was designated as a Ramsar site in 2022. It owes much of its protected status to the legendary ornithologist Dr. Salim Ali, who recognized the site's importance as a breeding colony for birds like the Painted Stork and Asian Openbill Environment, Shankar IAS Academy, p.429. This network of islets and the surrounding Shola forests in the upper reaches (dense evergreen patches interspersed with grasslands) make the Kaveri basin a vital corridor for both resident and migratory wildlife Environment, Shankar IAS Academy, p.159.

Feature	Upper Catchment (Karnataka)	Lower Catchment (Tamil Nadu)
Primary Rainfall Source	Southwest Monsoon (Summer)	Northeast Monsoon (Winter)
Ecological Highlight	Shola Forests & High Alt. Biodiversity	Deltaic Ecosystems & Mangroves

Sources: Geography of India, Majid Husain, The Drainage System of India, p.38; INDIA PHYSICAL ENVIRONMENT, Geography Class XI, Drainage System, p.24; Environment, Shankar IAS Academy, Aquatic Ecosystem, p.38; Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.429; Environment, Shankar IAS Academy, Indian Biodiversity Diverse Landscape, p.159

5. Key Protected Areas of the Deccan & Southern States (exam-level)

When we look at the Deccan Plateau and the Southern States, the network of protected areas is uniquely defined by two major features: the great peninsular rivers like the Kaveri and Krishna, and the extensive coastal lagoons. Unlike the dense forests of the North-East, the Southern sanctuaries often center around aquatic ecosystems that serve as vital halts for migratory birds on the Central Asian Flyway.

One of the crown jewels of Karnataka’s wildlife network is the Ranganathittu Bird Sanctuary. Located in the Mandya district, it is affectionately called the 'Pakshi Kashi' (Pilgrimage of Birds) of Karnataka. Its history is fascinating—the sanctuary consists of six islets on the banks of the Kaveri River, which were actually created when an embankment was built across the river in 1648 by the Mysore King, Kanteerava Narasimharaja Wadiyar. It was the legendary ornithologist Dr. Salim Ali who recognized its importance as a primary nesting ground and persuaded the Maharaja of Mysore to declare it a protected area in 1940. Today, it is a designated Ramsar site (as of 2022), hosting over 200 species including painted storks and migratory visitors from as far as Siberia Environment, Shankar IAS Academy, Chapter 29, p.429.

Moving to the coastline, we encounter massive brackish water ecosystems that act as buffers between the land and the sea. Pulicat Lake, straddling the border of Andhra Pradesh and Tamil Nadu, is the second-largest brackish water lake in India after Chilika. It is famously separated from the Bay of Bengal by the barrier island of Sriharikota. This lake is a critical habitat for nearly 15,000 flamingos that visit annually, alongside pelicans and painted storks Geography of India, Majid Husain, The Drainage System of India, p.30. Further south in Tamil Nadu, Vedanthangal stands out as one of the oldest water-bird sanctuaries in the country, showcasing a long-standing tradition of community-based conservation where local villagers protected the birds for the nutrient-rich guano (droppings) that fertilized their fields Environment and Ecology, Majid Hussain, BIODIVERSITY, p.41.

Sanctuary/Site	State/Location	Key Feature
Ranganathittu	Karnataka (Kaveri River)	Riverine islets; known as 'Pakshi Kashi'.
Pulicat Lake	AP / Tamil Nadu Border	Second largest brackish lagoon; Flamingo hub.
Kolleru Lake	Andhra Pradesh	Located between Godavari and Krishna deltas.
Vedanthangal	Tamil Nadu	One of India's oldest water-bird sanctuaries.

Sources: Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.429; Geography of India, Majid Husain, The Drainage System of India, p.30; Environment and Ecology, Majid Hussain, BIODIVERSITY, p.41

6. Ranganathittu Bird Sanctuary: Detailed Profile (exam-level)

Known affectionately as the 'Pakshi Kashi' of Karnataka (the Varanasi of Birds), Ranganathittu Bird Sanctuary is a prime example of how human-made interventions can evolve into ecological havens. Located in the Mandya district of Karnataka, near the historic town of Srirangapatna, this sanctuary is uniquely situated on the banks of the Kaveri (Cauvery) River. It comprises six islets that were inadvertently created in 1648 when King Kanteerava Narasimharaja Wadiyar commissioned an embankment across the river to provide irrigation. Over centuries, these riverine islands became lush nesting grounds for a variety of avian species.

The sanctuary's formal protection is largely credited to the pioneering Indian ornithologist, Dr. Salim Ali. After observing the rich diversity and the significance of the area as a breeding ground, he persuaded the Maharaja of Mysore to declare it a protected area in 1940. This historical depth and ecological richness led to its designation as a Ramsar site in 2022, marking it as a wetland of international importance Majid Husain, Geography of India, Natural Vegetation and National Parks, p.53. Unlike many other sanctuaries that focus on terrestrial forests, Ranganathittu is a riverine ecosystem, where the health of the Kaveri river directly dictates the survival of its inhabitants.

Biodiversity at Ranganathittu is remarkably high for its small size, hosting over 200 species of birds. It serves as a critical stopover for migratory birds from as far as Siberia, North America, and Australia. Key species found here include the Painted Stork, Asian Openbill Stork, Common Spoonbill, and Black-headed Ibis. Beyond birds, the sanctuary is also famous for its high population of Mugger Crocodiles that bask on the rocks of the islets, illustrating a complex aquatic-avian symbiosis Majid Hussain, Environment and Ecology, BIODIVERSITY, p.39.

Sources: Geography of India, Natural Vegetation and National Parks, p.53; Environment and Ecology, BIODIVERSITY, p.39; Environment and Ecology, BIODIVERSITY, p.43

7. Solving the Original PYQ (exam-level)

Now that you have mastered the fundamentals of Wetlands and Ramsar Sites, this question tests your ability to pin those concepts to a specific geographic and historical context. Ranganathittu Bird Sanctuary is a classic example of how human-made interventions can create ecological marvels; the sanctuary consists of six islets formed after an embankment was constructed across the Kaveri River in 1648. By connecting your knowledge of ornithology—specifically the pioneering work of Salim Ali—with the river systems of Southern India, you can identify this site as a premier nesting ground that was designated a sanctuary due to its unique riverine ecosystem.

To arrive at the correct answer, (C) Karnataka, you should use historical and geographical anchors. The sanctuary is located in the Mandya district, a mere 19 km from Mysore and very close to Srirangapatna. These locations are the heartland of the Wadiyar dynasty, who were responsible for the initial embankment. Reasoning through the river's path is essential: the Kaveri flows through these regions of Karnataka before descending into the plains of Tamil Nadu. Therefore, the 'Pakshi Kashi' (Kashi of Birds) of the region is firmly rooted in Karnataka's geography.

UPSC often employs geographic proximity traps by listing neighboring states. (A) Tamil Nadu is a frequent distractor because it also shares the Kaveri basin and houses famous sites like Vedanthangal. Similarly, (B) Kerala and (D) Andhra Pradesh are included to test if you can distinguish between different types of southern wetlands, such as Kerala's backwaters or the coastal lagoons of Andhra. The trap lies in the regional similarity; however, remembering the specific link between the Mysore King and the Kaveri islets ensures you bypass these distractions. Environment, Shankar IAS Academy