We surveyed diurnal landbirds in managed and unmanaged stands of coast redwood (Sequoia sempervirens) forests in Humboldt County, California, during the breeding season of 1995. We divided stands into 5 age classes: old-growth and 5 to 9, 10 to 20, 21 to 60, 61 to 80 yr since clearcut harvest. A total of 25 stands were surveyed twice with 4 survey points in each. Younger stands (520 yr old) were shrub-dominated; 21 to 60 yr-old stands were dominated by pole-size trees and differed structurally from older stands. Shrub-dominated stands had significantly higher relative abundance and slightly higher species richness compared to the other stands. Cavity-nesting and bark-foraging species were detected more in the 2 oldest age classes, while ground-nesting and shrub-nesting species and shrub-foraging species were detected more in younger stands. Canopy foragers were least represented in the pole-size stands. Longdistance migrants were detected significantly less in the 21to 60-yr-old stands than other 2ndgrowth stands. Eleven of 46 landbird species detected were analyzed individually. None of the species were found exclusively in old growth and no significant differences were found between old growth and mature age classes. Although no species were exclusively associated with a particular age class, species composition changed substantially from young, shrub-dominated stands to older mature stands and old-growth stands.