India
Koonthankulam Bird Sanctuary or Kunthankulam is a 1.2933 km2 (0.4993 sq mi) protected area declared as a sanctuary in 1994. It adjoins the tiny village of Koonthankulam in Nanguneri Taluk of Tirunelveli district, Tamil Nadu, India. It is just 38 km away from Tirunelveli (a bustling town on the banks
of the Thamirabarani River). 8.58102°N 77.76123°E / 8.58102; 77.76123 It is composed of Koonthankulam and Kadankulam irrigation tanks, conveniently linked by tar road. This is the largest reserve for breeding water birds in South India. It is an Important Bird Area, code: IN269, criteria: A1, A4i, and has been designated as a protected Ramsar site since 2021.
Listen to the audio guide for Koonthankulam-Kadankulam WLS Free on WIP — starts by itself when you arrive, even with the screen off