One of the most common winter sparrows, the white-crowned typically occurs in flocks, which may involve more than 100 birds. They feed in short grass or open areas adjacent to woodlands ...
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 ...
Thanks to a long-running study of the songs of white-crowned sparrows living in and around the San Francisco Bay area, scientists were able to compare effects before and during lockdown.