birds on lake constance in kreuzlingen or die voegel oder vogel am bodensee

animal background beautiful bird birds birdwatching blue boats bodensee bright canton clear clouds constance day die distance ducks europe freshwater green harbor holiday horizon kreuzlingen lake landscape natural nature oder ornithology outdoor outdoors panorama park plane quiet reflection sailing scenic shore sky suisse summer sun sunny swan switzerland thurgau top tourism travel vacation view voegel vogel water waves wild wildlife wing