Pulau Dua/Pulau Burung (Birds Island) is a natural bird conservation area for bird watching, located about 3 miles from the northern of Karangantu harbor. It can be reached by motorized pats or sail boats in 15 minutes.
From April to August the island is visited by thousand of bird coming from the continent of Africa, Asia and Australia to lay and hatch their eggs. Soon after the young birds become mature, they will return to their original places.
At least 50 kinds of birds and generally those are fishering birds that only to fly far distance such as herons, ducks, teals, fowis and other be able to lay 2-4 eggs, and stayed together in Pulau Dua of 8 hectares land.