The Bird of the Day today is the house sparrow. It is an old world sparrow that has become established throughout most of the United States.
The house sparrow is in the family Passeridae. Eurasian tree sparrows are the other bird in this family that has become established in the United States, though with a much smaller range than the house sparrow.
I took these pictures on the grounds of the Harriet Alexander Nature Center in Roseville, Minnesota.