"Having worked with several Swan species," another added, "I have witnessed first hand how strongly they bond with their mates .... In general, they don't thrive when left alone so it is vital to keep the original pair together .... This is true of many waterfowl. Great to see these two back together, nice work!!"
Then, like any seasoned couple accustomed to balancing romance and real life, after their moment of tenderness, the pair gets on with the logistics of the day.