Atop a Birch Tree, I think.
I saw one in Seattle last year, then one in Virginia early this year, and then saw and heard many of them on this trip to Alaska, which was very nice; I like their song, which you can hear in the video on the previous page.
White-crowned Sparrow, Zonotrichia leucophrys
on the Tony Knowles Coastal Trail near Elderberry Park
Day 1 of 17