Melselvanur – Keelselvanur Bird Sanctuary is located near Sayalgudi in Ramanathapuram district. The sanctuary was declared in the year 1998. This is the biggest bird’s sanctuary in Tamil nadu. The total area of the sanctuary is 593.08 ha This 5.93 km2 (2.29 sq mi) sanctuary in Ramanathapuram District is home to grey pelican and painted stork.