There are three major ecosystems categorized as Natura areas on the island of Kos. Those are the main breeding grounds of the migratory birds that stopover on their way to their destination. They are the main locations of interest for birdwatchers.
Lake Psalidi and the Aliki wetlands are fresh water lakes where birds such as ducks and flamingos tend to feed and rest especially during autumn and spring. The Dikaios mountain is the third area where among the pine and cedar you might come upon buzzards or falcons.