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Vedanthangal Bird Sanctuary is one of the oldest bird sanctuaries in India, located in Chengalpattu District, Tamil Nadu. It covers about 30 ha and was declared a sanctuary in 1936. The area is famous for thousands of migratory birds such as egrets, herons, ibises, painted storks, and spoonbills that visit during the winter season. The sanctuary consists of a large lake surrounded by barringtonia trees where birds nest and breed. It is also a Ramsar Site (2022), recognized for its international importance as a wetland and wintering habitat for waterbirds.
Karikili Bird Sanctuary is located in Chengalpattu District, Tamil Nadu, covering about 61 ha. It was declared a sanctuary in 1988 and lies close to Vedanthangal, forming a twin sanctuary system. The wetland attracts large numbers of migratory waterbirds during winter, including egrets, herons, storks, and ibises. The sanctuary plays a vital role in supporting diverse wetland bird populations and is also a Ramsar Site (2022), recognized for its international importance as a wetland habitat.
Pulicat Lake Bird Sanctuary is situated in Tiruvallur District, forming part of India’s second-largest brackish water lagoon. The sanctuary (TN portion) spans around 15367 ha and was declared in 1980. It is world-famous for the winter arrival of thousands of flamingos, earning it the name “Flamingo Festival site.” The lagoon ecosystem supports a wide variety of waterbirds, fish, and marine life. Its rich biodiversity makes it an important wetland habitat on the Coromandel coast.
Located in Sivaganga District, Vettangudi Bird Sanctuary covers 38.4 ha and was declared in 1977. The sanctuary includes three tanksPeriya Kanmai, Chinna Kanmai, and Vettangudi Kanmai. It is a well-known heronry where birds like egrets, storks, herons, and ibis breed. The surrounding agricultural fields and water sources support bird activity throughout the season. It is one of Tamil Nadu’s oldest protected wetlands.
Vellode Bird Sanctuary is located in Erode District, Tamil Nadu, covering about 77 ha, and was declared a bird sanctuary in 2000. Centered around the Periyakulam Lake, it supports large numbers of resident and migratory waterbirds such as pelicans, teals, pintails, cormorants, and darters. It is also designated as a Ramsar Site (2022) and lies on the Central Asian Flyway, making it an important wintering wetland in the region.
Vaduvoor Bird Sanctuary is located in Thanjavur District, Tamil Nadu. It covers an area of about 128 ha and was declared a sanctuary in 1999.It is also recognized as a Ramsar Site, designated on 2022. The site is centered around the Vaduvoor Lake, which attracts more than 40,000 migratory birds every year during the winter season. Key species include painted storks, pelicans, teal, pintail,garganey,herons,andibis.
Udayamarthandapuram Bird Sanctuary is located in Tiruvarur District, Tamil Nadu. It covers 45 ha and was declared as a wildlife sanctuary in 1998 (Government Order dated 31 December 1998, effective from 1999). It is also a Ramsar Site, designated on 2022. The sanctuary is centered around an irrigation tank and attracts large numbers of migratory waterbirds such as painted storks, grey pelicans, herons, and ibis, especially during the monsoon and winter seasons.
Karaivetti Bird Sanctuary is located in Ariyalur District, Tamil Nadu. It covers about 453 ha and was declared a bird sanctuary in 1999. Centered around Karaivetti Lake (Periyakulam), it is an important wetland attracting large numbers of migratory ducks and waterbirds, including bar-headed geese, pintail, garganey, herons, ibis, and storks. It is also a Ramsar Site (2022) and serves as a key wintering habitat for waterfowl in Tamil Nadu.
Koonthankulam Bird Sanctuary is located in Tirunelveli District, Tamil Nadu. It covers about 129 ha and was declared a bird sanctuary in 1994. This is the largest breeding waterbird reserve in South India. It hosts thousands of resident and migratory species such as pelicans, painted storks, herons, ibis, and bar-headed geese. The wetland is also a Ramsar Site, designated on 2021.
Kanjirankulam Bird Sanctuary is located in Ramanathapuram District, Tamil Nadu, covering about 104 ha, and was notified in 1989. It is an important nesting and breeding habitat for large waterbirds such as painted storks, grey herons, and egrets. The sanctuary consists of an irrigation tank surrounded by babul trees, providing ideal nesting conditions. Many migratory birds visit during the northeast monsoon, making it a key conservation area for colonial nesting species. It is also a Ramsar Site (2022), recognized for its international importance as a wetland habitat
Chitrangudi Bird Sanctuary, located in Ramanathapuram District, covers about 47.6 ha and was declared in 1989. The sanctuary consists of a scenic irrigation tank surrounded by babul trees that support large nesting colonies of herons, storks, and other waterbirds. It attracts many migratory species during the monsoon and winter seasons. Chitrangudi is also recognized as an international Ramsar Site (designated in 2021) for its rich wetland biodiversity. Its peaceful environment makes it an important habitat for both resident and migratory birds.
MelaselvanurKilaselvanur Bird Sanctuary is located in Ramanathapuram District, Tamil Nadu, covering about 593 ha, and was declared a bird sanctuary in 2010. It comprises a chain of irrigation tanks that support large numbers of resident and migratory waterbirds like pelicans, storks, ibis, egrets, and herons, making it an important wetland heronry in the region
Therthangal Bird Sanctuary is located in Ramanathapuram District, Tamil Nadu, covering about 29.3 ha, and was declared a bird sanctuary in 2010. Centered around a marshy wetland, it hosts resident and migratory waterbirds such as pelicans, storks, herons, and darters. It is also a Ramsar Site (2024) and an important stopover on the Central Asian Flyway.

Sakkarakottai Bird Sanctuary is located in Ramanathapuram District, Tamil Nadu, covering about 230.5 ha, and was declared a bird sanctuary in 2012. Centered around the Sakkarakottai Tank, it supports over 120 species of resident and migratory waterbirds such as pelicans, ibises, herons, and darters. It is also a Ramsar Site (2024) and serves as an important breeding and wintering wetland.

Oussudu Lake Bird Sanctuary is located in Puducherry and partly in Tamil Nadu, covering about 331.7 ha, and was declared a bird sanctuary in 2015. The freshwater wetland supports numerous resident and migratory waterbirds such as herons, storks, pelicans, and ducks. It is also a Ramsar Site (2022) and serves as an important wintering ground and ecological hotspot in the region.

Kazhuveli Bird Sanctuary is located in Villupuram District, Tamil Nadu, covering about 5,151.6 ha, and was declared a bird sanctuary in 2021. This large brackish-water wetland supports numerous resident and migratory waterbirds such as pelicans, storks, herons, and terns,and It was designated a Ramsar Wetland of International Importance on 16 January 2024
Nanjarayan Bird Sanctuary is located in Tiruppur District, Tamil Nadu, covering about 125.9 ha, and was declared a bird sanctuary in 2022. The freshwater tank supports over 180 species of resident and migratory waterbirds including pelicans, painted storks, cormorants, and herons. It was also designated a Ramsar Site in 2024, making it an important wetland for biodiversity and migratory bird