Vaduvoor Bird Sanctuary is located in
Tiruvarur District of
Tamil Nadu and is on the way to
Thanjavur from Mannargudi.
It spreads over 128 hectares of fresh water lake and is abode to river tern, black headed myna, gray heron, white-breasted king fisher and spotted doves.
The best season to visit is November to February.
The sanctuary is about 14 km from Mannargudi. Nearest railhead is at Thanjavur.