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Option 1 states that all of the mentioned sites are Ramsar sites. Ramsar sites are wetlands that are of international importance under the Ramsar Convention. However, the correct answer is option 2, which means option 1 is incorrect.
Option 2 states that all of the mentioned sites are naturally formed wetlands. Wetlands are land areas that are saturated or flooded with water, either permanently or seasonally. Since all the mentioned sites are wetlands, this statement is correct.
Option 3 states that all of the mentioned sites are birding sites. Birding sites are areas where birdwatchers go to observe different bird species. Since all the mentioned sites are known for their bird populations and are visited by birdwatchers, this statement is correct.
Therefore, the correct answer is option 2, which means that all of the mentioned sites are naturally formed wetlands and birding sites.