The nuthatch of ponderosa pine forests. Plumage is nearly identical to Brown-headed Nuthatch, but no range overlap. Small size and gray cap separate from Red-breasted and White-breasted Nuthatches. Often in flocks, calling frequently, and high in crowns of pines. Frequently mixes with other songbirds, including chickadees and warblers. Vocal; gives variety of peeps and chips.