They are easy to identify with the crisp black-and-white crown stripes of the adults and their pink or yellow bill. First winter (immature) birds sport buff and brown head stripes. White-crowned ...

One of the most common winter sparrows, the white-crowned typically occurs in flocks, which may involve more than 100 birds ... prominent white throat, and yellow supraloral.

Although some smaller birds easily crack ... Sometimes it’s tough to see the yellow in siskins’ wings and tail feathers, but this photo clearly shows it. White-crowned sparrows are also ...

Its tinier relative the golden-crowned kinglet was common, as was our hardiest warbler, the yellow-rumped warbler ... the stripes black and white. Duller first-year birds were also present ...

White-crowned sparrows that breed along the Pacific Coast tend to have yellow bills and duller white head stripes and birds that breed from Alaska to Hudson Bay tend to have orange bills and white ...

Yellow-crowned night-herons are most often confused with wading birds like the closely related ... This is because juveniles are brown with white streaks. While they're not currently listed ...