The Cape Sable seaside sparrow isn't nicknamed the “Goldilocks bird” for nothing: In order for this little sparrow to survive, its habitat conditions have to be just right. Though the bird has evolved ...

Juvenile: Brown and buff head; streaked underparts. The white-throated sparrow has a dark bill, prominent white throat, and yellow supraloral. Immature simi­lar to immature golden-crowned ...

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 ...