Varied Thrush Ixoreus naevius Gmelin       Field Guide IDs: NG-350; G-246; PE-220; PW-pl 48; AW-pl 444; AM(III)-60 Nest Location Nest Type Eggs & Mating System Dev. & Parental Care Primary & 2ndary Diet.. Foraging Strategy F I: 14? DAYS ALTRICIAL 9 - 25 feet F 3-4 (2-5) MONOG F: ? DAYS MF FRUIT FOLIAGE .....GLEAN BREEDING: Moist coniferous forest and deciduous forest with dense understory. 2? broods. DISPLAYS: Agonistic: head extended forward with body held in horizontal crouch, plumage sleeked; at highest intensity, tall lifted and spread, wings spread and rotated forward. NEST: Usu against trunk in small conifer; bulky, of mud, dried leaves, inner bark strips, soft moss, reinforced with twigs, lining of grass or rootlets. EGGS: Pale blue, flecked with brown. 1.2" (30 mm). DIET: Includes sowbugs, myriapods, snails, worms; much fruit, weed seeds, and acorns in winter. Young probably fed exclusively animal diet. CONSERVATION: Winters s to n Baja. NOTES: Song is an eerie, bell-like, prolonged whistle that slowly fades away from the listener. Breeding biology not well known. Aggressive toward other species at winter feeding sites. STANFORD. NOTES: Fairly rare to uncommon resident from fall through spring. Occurs in a number of areas on campus, usually in more heavily vegetated areas than those used by the similar American Robin, although it is often found in flocks of robins. A few can be found near the Mausoleum in winter. ESSAYS: Feeding Birds; Bathing and Dusting; How Do We Find Out About Bird Biology? REFERENCES: Martin, 1970.