These are not great pictures, through a window in low morning light, but there's a hint of yellow on the fore-crown, which helps with the id.
Although migratory, significant numbers of both White-crowned and Golden-crowned Sparrows overwinter in the Lower Mainland of BC.
There was also a Downy Woodpecker at the suet this morning. A first for the season.
And last night a raccoon kept wandering back and forth in front of the motion-activated floodlight, probably because he knew it would wake me up and keep me wary.