The American tree sparrow often occurs in flocks of up ... Gray head and nape crowned with rufous; rufous stripe behind eye; gray throat and breast, with dark central spot; rufous-buff patches ...

Usually easy to recognize, but due to considerable variation may be confused with certain non-troglodytids (e.g., rufous-crowned sparrow). Status and Distribution Common. Breeding: most vegetated ...

A white-crowned sparrow alights on Thursday on a plant on the bluffs above the mouth of the San Lorenzo River in Santa Cruz. Depending on the season, this sparrow can be found throughout most of ...