a married couple of swans near their birdhouse

animal avian beak beautiful biology bird birdhouse blue calm circles city closeup color couple curved cygnus day devotion each elegance eyes face family fauna feather feathered fidelity grace graceful head lake light long love married middle migratory mute nature neck next orange ornithology other outdoor pair park pond poultry public reflection shelter summer sunny surface swan swansdown swansong swim swimming tail tamed tenderness two water waterfowl white wild wings wooden zoology