BEACHES
Sri Lanka’s beaches cover more than 11000 ha. They are very dynamic and over the years, they change in shape and size, during periods of high waves, like monsoons,
Sand from beaches and dunes are eroded into the sea. During times of low waves,
The sand gradually moves back towards the shore, the wind blows this sand then
Farther on the beach and in this way, the beaches and dunes are rebuilt. Beaches in
Sri Lanka therefore have an annual cycle where the beaches are reduced during the
Monsoon and widened during the calm season.

BIRDS OF SRI LANKA
The Birds of Sri Lanka and the wetlands that are present in this area provide excellent
Habitats for numerous. Species of birds. There are about 230 species of birds ,That line here all throughout the year furthermore there are many migrant species that escape from the cold winters and fly to warmer regions like Sir lank. Especially in wetlands like lagoons, marshes and estuaries large amounts of birds can be found.
Madugange lagoon
The maduganga estuarine Lagoon is situated about 88km south of Colombo. It is a picturesque lagoon of great ecological importance. There are a large number of
Plant and animal species in and around the lagoon. Although Maduganga is popularly
called a river. It is technically an estuarine lagoon. The extract number of island in the
Lagoon is a matter of dispute. According to the wetland site report for this lagoon maduganga is characterized by fifteen true islands surrounded by water through the year. A majority of these islands, enjoy the bliss of tranquility undisturbed by human habitation .and figure among the most scenic spots in natural things