Attractive and fairly active, medium-sized woodcreeper of pine and pine-oak woodland in highlands. Usually found in ones or twos, often traveling with mixed-species feeding flocks of tanagers, orioles, warblers, and others. Creeps up trunks and smaller branches, often poking into epiphytes. Note the slender, slightly curved bill and bold whitish striping on head and underparts. Song is a pleasant, chipping, descending trill, mainly given in early morning.