Oak Titmouse Supersp #37 Parus inornatus Gambel       Field Guide IDs: NG-326; G-230; PW-pl 45; AW-pl 486; AM(II)-330 Nest Location Nest Type Eggs & Mating System Dev. & Parental Care Primary & 2ndary Diet.. Foraging Strategy F I: 14-16 DAYS ALTRICIAL SNAG 3 feet - 10 feet (To 32 feet) ? 6-8 (3-9) MONOG F: 16-21 DAYS MF FRUIT SEEDS BARK GLEAN BREEDING: Pinon-juniper and oak woodland.? broods. DISPLAYS: ? NEST: In natural or woodpecker-excavated cavity, often partially excavated by pair; of moss, grass, forbs, lined with fur, feathers. Female selects nest site. EGGS: White, unmarked or faintly marked with reddish-browns. 0.7" (17 mm). DIET: Includes few spiders; acorns. CONSERVATION: Winter resident. Readily use nest boxes. NOTES: Pairs usu remain together from year to year; with rare exception, mates are replaced only if they disappear. Female is a tight sitter on nest. Young fed by regurgitation through fourth day; driven from territory as soon as they are able to care for themselves. Roost in cavities. Occ join mixed-species flocks in nonbreeding season. STANFORD. NOTES: Common resident throughout campus, nesting in natural cavities and old woodpecker holes. Territories often adjoin those of the Chestnut-backed Chickadee, which see. Oak titmice are usually found in or near oak-dominated areas, being more strictly tied to oaks than the Chestnut-backed Chickadee. ESSAYS: Bird Guilds; Mixed-Species Flocking; Bathing and Dusting; Monogamy REFERENCES: Hertz et al., 1976; Wagner, 1981.