[Illustration] Habitat: The tufted titmouse is the largest North American titmouse and is common throughout the eastern deciduous woodlands. These active and vocal birds are generally found in groups of 2 to 6 in thick timber stands, often near water (Gillespie 1930). The black-crested titmouse, found in southern Texas and northeastern Mexico, is now considered conspecific with the tufted titmouse (33rd supplement, A.O.U. Checklist). Nest: Nests of the tufted titmouse are very difficult to locate and are not often reported in the literature. Published accounts indicate that these birds nest in abandoned woodpecker holes or natural cavities usually less than 20 feet above the ground. While titmice are quite conspicuous in late fall and winter, they tend to disappear in late spring to nest and molt (Gillespie 1930, Laskey 1957). Food: The diets of tufted titmice change seasonally. In spring and summer they eat primarily animal matter (89 percent and 82 percent respectively) and spend most of their feeding time in the tree tops. Caterpillars often make up over 50 percent of the animal matter. Common winter foods consist of beechnuts, acorns, dogwood berries, Virginia creeper berries, alder seeds, honeysuckle, seeds of tulip-tree pods. In winter, they spend a larger percentage of their feeding time on or near the ground (Gillespie 1930, Martin et al. 1951). Plain titmouse _Parus inornatus_ L 5″ [Illustration] Habitat: Oak and pinyon-juniper woodlands from 5,000 to 7,000 feet elevation from Oregon south and west to Texas and New Mexico are the favored habitat of the plain titmouse. Nest: Plain titmice usually nest in natural cavities or old woodpecker holes. Most reported nests have been in oaks, 2 to 23 feet above ground (Bent 1946). Nest boxes are used when available (Wetmore 1964). Food: Beal (Bent 1946) examined the contents of 76 stomachs and found 43 percent animal material (true bugs 12 percent, caterpillars 11 percent, beetles 7 percent, ants and wasps 6 percent, daddy longlegs and grasshoppers 5 percent, spiders 1 percent, and 1 percent unreported) and 57 percent vegetable matter (cherries and pulp of larger fruit and leaf galls 32 percent, seeds of poison oak and weeds 25 percent). Bridled titmouse _Parus wollweberi_ L 4½″ [Illustration] Habitat: Bridled titmice prefer chaparral and pinyon-juniper in the Southwest at elevations from 5,000 to 7,000 feet. This titmouse also uses areas along streams where cottonwoods are present (Phillips et al. 1964). Nest: Almost all nest locations have been recorded in natural cavities of dead and living oak trees from 4 to 28 feet above the ground (Bent 1946).