Santa Clara County, California, US
One in each power tower.
Blurry but the yellow's just visible. Hanging out with White-crowned Sparrows.
Wish they all could be california gulls ♪
Something else? It was by itself in reeds next to a creek, and more like house sparrow-sized.
Much bigger than the nearby adult Ring-billed Gull.
1 of 3.
2 on the berm.
Also very not a good photo. Saw the black "mask" or whatever you call it, though. Yellow feet, striped under tail, black tips of tail feathers.