The clearest sign of California spring is the singing of titmice. It starts early here, as does the season. I often hear the first few tentative attempts in December. In January and February, their ...

As winter approaches and snow coats the ground, the tufted titmouse (Baeolophus bicolor) will again become a ubiquitous backyard visitor. Familiar to even the most casual observers of nature, titmice ...