They are mourning doves!
The squads will leave on the 14th or 15th morning. Be sure to take pictures when they leave!

Cause two couples of doves have made nests in my hanging basket... although the last couple failed to hatch the eggs.
We observed them everyday and they are really devoting parents! The day they took off, my ld took a lot of pictures... maybe next time I will upload some.
For a long time I have been wondering what birds they are, until finally I got a book on birding.