White-barred piculet different sub-populations of this bird on either side of the equator in South America. The northerly population is in Guyana, northwestern French Guiana and northern Brazil. The southern population is in southeastern Brazil, eastern Bolivia, eastern Paraguay and northern Argentina. The white-barred piculet occupies various habitats including wet and dry woodland, forest verges, thickets, gallery forests, wooded savannah, scrub, bamboo clumps, vines, creepers and overgrown parks and gardens at elevations of up to about . It is a resident, sedentary species. The white-barred piculet usually forages singly, but may join small mixed species flocks. It feeds on ants, their larvae
White-browed piculet piculet is native to tropical southeastern Asia. Its range extends from northern India, Nepal, Bhutan and Bangladesh through southern China to Myanmar, Laos, Vietnam and Thailand. Its home is dense wet or dry forest with plenty of vines and bamboo, scrub and swampy woodlands. It is found at altitudes of up to . It forages in the understory layer not far above the ground, pecking and probing with its sharp beak. Its diet consists of small insects, bark beetles, ants, termites, spiders and other small invertebrates. It often forages in pairs or may join small flocks of mixed species, sometimes