This sanctuary in a mangrove offers, besides the wide range of migrant and local birds, a supreme collection of mangrove vegetation.  This too can be undertaken in half a day preferably in the early morning or in the late afternoon.

Kalametiya Bird Sanctuary is a one of oldest and main bird sanctuary in Sri lanka. In 1938 Kalametiya Bird Sanctuary was declared a wildlife sanctuary. But in 1946 Kalametiya Bird Sanctuary was abolished because of the opposition of local residents. How ever once again Kalametiya Bird Sanctuary was declared as a wildlife sanctuary in 1984.

Kalametiya bird sanctuary is situated in Hambantota distric Srilanka. 20 Km away from Tangalle city. today This is a main bird watching site in Srilanka. This sanctuary include Kalametiya mangrove lagoon and area. This is a brackish water lagoon very close to Kalametiya beach. There are many pictures places in this area.

There are over 150 species of  birds in Kalametiya bird sanctuary including 54 migratory birds. additionally about 20 species of mammals, about 41 species of fish and 38 species of reptiles live in Kalametiya bird sanctuary. This is a haven for weaver birds. there are many weaver bird nest in the bird sanctuary.