She sits at the top of the tree calling.
Searching and calling for babies grown.
She wants them back, those who have flown.
She has decided she no longer wants to be alone
So, she is calling, "Come home!  Come home!"
But they are gone since they are grown,
Just as it should be.  Yes, they have flown on bold wings,
While she is left behind and day by day is growing old.
So, she will build a new nest.  And she will sit and try to sing.

Alternate version:
She sits at the top of the tree calling.
Searching and calling for babies grown.
She wants them back, those who have flown.
She has decided she no longer wants to be alone
So, she is calling, "Come home!  Come home!"
But they are gone since they are grown,
Just as it should be.  Yes, they have flown on bold wings,
While she is left behind and day by day is growing old.
So, she will build a new nest where she will rest.
And she will sit and try to sing, alone.  But not for long.