Oak Titmouse (Baeolophus inornatus)

The Oak Titmouse is a small gray passerine bird with a triangular crest (Family: Paridae, Order: Passeriformes). The titmouse has white underparts and a pointed black bill. The titmouse's back is brown-gray with an orange tint on the wings. The orange tint is on the face as well as on the flank of the titmouse.

The photo shows the titmouse singing.

Lakeside Park, CA
2008-02-26

The Oak Titmouse was formally classified under the species name Plain Titmouse together with the Juniper Titmouse (Baeolophus ridgwayi), which has a similar appearance.

According to Merriam-Webster Dictionary, the name titmouse is came from Old English mase and Middle English mose. The prefix "tit" means something small. The plural form of titmouse is titmice.