group of pelicans swimming in vistonida lake, rodopi, greece during sunset

animal avian beak beautiful beauty bird birds birdwatching calm color colorful during feather flock flowing freedom golden greece group herd hour lake landscape many migrating migration mountains natural nature orange ornithology outdoors peaceful pelecanus pelican pelicans pretty protected reserve rodopi seasonal sundown sunrise sunset swamp swimming tropical vistonida watching water waterfowl wild wildlife wing wings