Knock, Knock... Who's there? T W E E T

So only a few days after I blogged about the growing birds outside our house, they flew from their nest.  One of the three straggled behind the others though.  It hung out all day- first in our garage, then in our driveway and finally moving to our front doorstep.  It chirped all afternoon...

Here's a video of what we heard... for  h o u r s . . .