Nature enthusiasts will be intrigued by the stunning wetlands and unique ecosystem around Grikos and Petra. The lake and wetlands are a protected site where a vibrant ecosystem of wild ducks, swans and heron seek refuge. Take your time and walk or hike through the region. You’ll not only find a variety of birds, but a number of lizards as well. The area is one of Patmos’ most important natural habitats, and the lake and wetlands are an important stop for migratory birds.