There were also some baby birds around.
... and of course some flowers.
Added May 20:
She (a goose, a duck...? - see comments) has turned around. I had the time to see that she is laying on three eggs. The two abandoned eggs are still there.
Further addition May 20:
I thank all of you who have contributed to find out what kind of bird this really is. It seems now that Nathalie has really found it: A Bar-headed Goose. I add the Wikipedia picture. Alice already suggested the same solution yesterday. Thanks to both of you!
Addition May 21:
Her husband had a nice walk and did not seem to worry too much.