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 ...

This question has been bothering me for quite a while and now I finally have a chance to ask it. When I have more than one tufted titmouse on my feeder, do I have titmice or titmouses? I need to know.