Song Sparrow

Though they do somewhat resemble their House Sparrow cousins, Song Sparrows are possessed of a much more melodic singing voice, splotchy belly, and distinct hat!

The penultimate photo is one of the very first bird pictures I took! He was foraging on a summer's day while I sat only a few meters away out in the open! A brave lad, to be sure, though he did eventually notice me and hurled himself from the yard, pictured in the very last photo.
Wikipedia
Audubon